Add vendor hooks to capture demand paging during APP launch,
so we can do it in advance in next launch.
Bug: 315913896
Signed-off-by: Lianjun Huang <huanglianjun@xiaomi.com>
Signed-off-by: Lianjun Huang <huanglianjun@xiaomi.corp-partner.google.com>
Change-Id: I2698fefd347745fb4ff84b111caedbb3bb365ce3
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Merge 6.1.63 into android14-6.1-lts
Changes in 6.1.63
hwmon: (nct6775) Fix incorrect variable reuse in fan_div calculation
sched/fair: Fix cfs_rq_is_decayed() on !SMP
iov_iter, x86: Be consistent about the __user tag on copy_mc_to_user()
sched/uclamp: Set max_spare_cap_cpu even if max_spare_cap is 0
sched/uclamp: Ignore (util == 0) optimization in feec() when p_util_max = 0
objtool: Propagate early errors
sched: Fix stop_one_cpu_nowait() vs hotplug
vfs: fix readahead(2) on block devices
writeback, cgroup: switch inodes with dirty timestamps to release dying cgwbs
x86/srso: Fix SBPB enablement for (possible) future fixed HW
futex: Don't include process MM in futex key on no-MMU
x86/numa: Introduce numa_fill_memblks()
ACPI/NUMA: Apply SRAT proximity domain to entire CFMWS window
x86/sev-es: Allow copy_from_kernel_nofault() in earlier boot
x86/boot: Fix incorrect startup_gdt_descr.size
drivers/clocksource/timer-ti-dm: Don't call clk_get_rate() in stop function
pstore/platform: Add check for kstrdup
string: Adjust strtomem() logic to allow for smaller sources
genirq/matrix: Exclude managed interrupts in irq_matrix_allocated()
wifi: cfg80211: add flush functions for wiphy work
wifi: mac80211: move radar detect work to wiphy work
wifi: mac80211: move scan work to wiphy work
wifi: mac80211: move offchannel works to wiphy work
wifi: mac80211: move sched-scan stop work to wiphy work
wifi: mac80211: fix # of MSDU in A-MSDU calculation
wifi: iwlwifi: honor the enable_ini value
i40e: fix potential memory leaks in i40e_remove()
iavf: Fix promiscuous mode configuration flow messages
selftests/bpf: Correct map_fd to data_fd in tailcalls
udp: add missing WRITE_ONCE() around up->encap_rcv
tcp: call tcp_try_undo_recovery when an RTOd TFO SYNACK is ACKed
gve: Use size_add() in call to struct_size()
mlxsw: Use size_mul() in call to struct_size()
tls: Only use data field in crypto completion function
tls: Use size_add() in call to struct_size()
tipc: Use size_add() in calls to struct_size()
net: spider_net: Use size_add() in call to struct_size()
net: ethernet: mtk_wed: fix EXT_INT_STATUS_RX_FBUF definitions for MT7986 SoC
wifi: rtw88: debug: Fix the NULL vs IS_ERR() bug for debugfs_create_file()
wifi: ath11k: fix boot failure with one MSI vector
wifi: mt76: mt7603: rework/fix rx pse hang check
wifi: mt76: mt7603: improve watchdog reset reliablity
wifi: mt76: mt7603: improve stuck beacon handling
wifi: mt76: mt7915: fix beamforming availability check
wifi: ath: dfs_pattern_detector: Fix a memory initialization issue
tcp_metrics: add missing barriers on delete
tcp_metrics: properly set tp->snd_ssthresh in tcp_init_metrics()
tcp_metrics: do not create an entry from tcp_init_metrics()
wifi: rtlwifi: fix EDCA limit set by BT coexistence
ACPI: property: Allow _DSD buffer data only for byte accessors
ACPI: video: Add acpi_backlight=vendor quirk for Toshiba Portégé R100
wifi: ath11k: fix Tx power value during active CAC
can: dev: can_restart(): don't crash kernel if carrier is OK
can: dev: can_restart(): fix race condition between controller restart and netif_carrier_on()
can: dev: can_put_echo_skb(): don't crash kernel if can_priv::echo_skb is accessed out of bounds
PM / devfreq: rockchip-dfi: Make pmu regmap mandatory
wifi: wfx: fix case where rates are out of order
netfilter: nf_tables: Drop pointless memset when dumping rules
thermal: core: prevent potential string overflow
r8169: use tp_to_dev instead of open code
r8169: fix rare issue with broken rx after link-down on RTL8125
selftests: netfilter: test for sctp collision processing in nf_conntrack
net: skb_find_text: Ignore patterns extending past 'to'
chtls: fix tp->rcv_tstamp initialization
tcp: fix cookie_init_timestamp() overflows
wifi: iwlwifi: call napi_synchronize() before freeing rx/tx queues
wifi: iwlwifi: pcie: synchronize IRQs before NAPI
wifi: iwlwifi: empty overflow queue during flush
Bluetooth: hci_sync: Fix Opcode prints in bt_dev_dbg/err
bpf: Fix unnecessary -EBUSY from htab_lock_bucket
ACPI: sysfs: Fix create_pnp_modalias() and create_of_modalias()
ipv6: avoid atomic fragment on GSO packets
net: add DEV_STATS_READ() helper
ipvlan: properly track tx_errors
regmap: debugfs: Fix a erroneous check after snprintf()
spi: tegra: Fix missing IRQ check in tegra_slink_probe()
clk: qcom: gcc-msm8996: Remove RPM bus clocks
clk: qcom: clk-rcg2: Fix clock rate overflow for high parent frequencies
clk: qcom: mmcc-msm8998: Don't check halt bit on some branch clks
clk: qcom: mmcc-msm8998: Fix the SMMU GDSC
clk: qcom: gcc-sm8150: Fix gcc_sdcc2_apps_clk_src
regulator: mt6358: Fail probe on unknown chip ID
clk: imx: Select MXC_CLK for CLK_IMX8QXP
clk: imx: imx8mq: correct error handling path
clk: imx: imx8qxp: Fix elcdif_pll clock
clk: renesas: rcar-gen3: Extend SDnH divider table
clk: renesas: rzg2l: Wait for status bit of SD mux before continuing
clk: renesas: rzg2l: Lock around writes to mux register
clk: renesas: rzg2l: Trust value returned by hardware
clk: renesas: rzg2l: Use FIELD_GET() for PLL register fields
clk: renesas: rzg2l: Fix computation formula
clk: linux/clk-provider.h: fix kernel-doc warnings and typos
spi: nxp-fspi: use the correct ioremap function
clk: keystone: pll: fix a couple NULL vs IS_ERR() checks
clk: ti: change ti_clk_register[_omap_hw]() API
clk: ti: fix double free in of_ti_divider_clk_setup()
clk: npcm7xx: Fix incorrect kfree
clk: mediatek: clk-mt6765: Add check for mtk_alloc_clk_data
clk: mediatek: clk-mt6779: Add check for mtk_alloc_clk_data
clk: mediatek: clk-mt6797: Add check for mtk_alloc_clk_data
clk: mediatek: clk-mt7629-eth: Add check for mtk_alloc_clk_data
clk: mediatek: clk-mt7629: Add check for mtk_alloc_clk_data
clk: mediatek: clk-mt2701: Add check for mtk_alloc_clk_data
clk: qcom: config IPQ_APSS_6018 should depend on QCOM_SMEM
platform/x86: wmi: Fix probe failure when failing to register WMI devices
platform/x86: wmi: Fix opening of char device
hwmon: (axi-fan-control) Fix possible NULL pointer dereference
hwmon: (coretemp) Fix potentially truncated sysfs attribute name
Revert "hwmon: (sch56xx-common) Add DMI override table"
Revert "hwmon: (sch56xx-common) Add automatic module loading on supported devices"
hwmon: (sch5627) Use bit macros when accessing the control register
hwmon: (sch5627) Disallow write access if virtual registers are locked
hte: tegra: Fix missing error code in tegra_hte_test_probe()
drm/rockchip: vop: Fix reset of state in duplicate state crtc funcs
drm/rockchip: vop: Fix call to crtc reset helper
drm/rockchip: vop2: Don't crash for invalid duplicate_state
drm/rockchip: vop2: Add missing call to crtc reset helper
drm/radeon: possible buffer overflow
drm: bridge: it66121: Fix invalid connector dereference
drm/bridge: lt8912b: Add hot plug detection
drm/bridge: lt8912b: Fix bridge_detach
drm/bridge: lt8912b: Fix crash on bridge detach
drm/bridge: lt8912b: Manually disable HPD only if it was enabled
drm/bridge: lt8912b: Add missing drm_bridge_attach call
drm/bridge: tc358768: Fix use of uninitialized variable
drm/bridge: tc358768: Fix bit updates
drm/bridge: tc358768: remove unused variable
drm/bridge: tc358768: Use struct videomode
drm/bridge: tc358768: Print logical values, not raw register values
drm/bridge: tc358768: Use dev for dbg prints, not priv->dev
drm/bridge: tc358768: Rename dsibclk to hsbyteclk
drm/bridge: tc358768: Clean up clock period code
drm/bridge: tc358768: Fix tc358768_ns_to_cnt()
drm/amdkfd: fix some race conditions in vram buffer alloc/free of svm code
drm/amd/display: Check all enabled planes in dm_check_crtc_cursor
drm/amd/display: Refactor dm_get_plane_scale helper
drm/amd/display: Bail from dm_check_crtc_cursor if no relevant change
io_uring/kbuf: Fix check of BID wrapping in provided buffers
io_uring/kbuf: Allow the full buffer id space for provided buffers
drm/mediatek: Fix iommu fault by swapping FBs after updating plane state
drm/mediatek: Fix iommu fault during crtc enabling
drm/rockchip: cdn-dp: Fix some error handling paths in cdn_dp_probe()
gpu: host1x: Correct allocated size for contexts
drm/bridge: lt9611uxc: fix the race in the error path
arm64/arm: xen: enlighten: Fix KPTI checks
drm/rockchip: Fix type promotion bug in rockchip_gem_iommu_map()
xenbus: fix error exit in xenbus_init()
xen-pciback: Consider INTx disabled when MSI/MSI-X is enabled
drm/msm/dsi: use msm_gem_kernel_put to free TX buffer
drm/msm/dsi: free TX buffer in unbind
clocksource/drivers/arm_arch_timer: limit XGene-1 workaround
drm: mediatek: mtk_dsi: Fix NO_EOT_PACKET settings/handling
drivers/perf: hisi: use cpuhp_state_remove_instance_nocalls() for hisi_hns3_pmu uninit process
perf/arm-cmn: Revamp model detection
perf/arm-cmn: Fix DTC domain detection
drivers/perf: hisi_pcie: Check the type first in pmu::event_init()
perf: hisi: Fix use-after-free when register pmu fails
ARM: dts: renesas: blanche: Fix typo in GP_11_2 pin name
arm64: dts: qcom: sdm845: cheza doesn't support LMh node
arm64: dts: qcom: sc7280: link usb3_phy_wrapper_gcc_usb30_pipe_clk
arm64: dts: qcom: msm8916: Fix iommu local address range
arm64: dts: qcom: msm8992-libra: drop duplicated reserved memory
arm64: dts: qcom: sc7280: Add missing LMH interrupts
arm64: dts: qcom: sm8150: add ref clock to PCIe PHYs
arm64: dts: qcom: sm8350: fix pinctrl for UART18
arm64: dts: qcom: sdm845-mtp: fix WiFi configuration
ARM64: dts: marvell: cn9310: Use appropriate label for spi1 pins
arm64: dts: qcom: apq8016-sbc: Add missing ADV7533 regulators
ARM: dts: qcom: mdm9615: populate vsdcc fixed regulator
soc: qcom: llcc: Handle a second device without data corruption
kunit: Fix missed memory release in kunit_free_suite_set()
firmware: ti_sci: Mark driver as non removable
arm64: dts: ti: k3-am62a7-sk: Drop i2c-1 to 100Khz
firmware: arm_ffa: Assign the missing IDR allocation ID to the FFA device
firmware: arm_ffa: Allow the FF-A drivers to use 32bit mode of messaging
ARM: dts: am3517-evm: Fix LED3/4 pinmux
clk: scmi: Free scmi_clk allocated when the clocks with invalid info are skipped
arm64: dts: imx8qm-ss-img: Fix jpegenc compatible entry
arm64: dts: imx8mm: Add sound-dai-cells to micfil node
arm64: dts: imx8mn: Add sound-dai-cells to micfil node
arm64: tegra: Use correct interrupts for Tegra234 TKE
selftests/pidfd: Fix ksft print formats
selftests/resctrl: Ensure the benchmark commands fits to its array
module/decompress: use vmalloc() for gzip decompression workspace
ASoC: cs35l41: Verify PM runtime resume errors in IRQ handler
ASoC: cs35l41: Undo runtime PM changes at driver exit time
ALSA: hda: cs35l41: Fix unbalanced pm_runtime_get()
ALSA: hda: cs35l41: Undo runtime PM changes at driver exit time
KEYS: Include linux/errno.h in linux/verification.h
crypto: hisilicon/hpre - Fix a erroneous check after snprintf()
hwrng: bcm2835 - Fix hwrng throughput regression
hwrng: geode - fix accessing registers
RDMA/core: Use size_{add,sub,mul}() in calls to struct_size()
crypto: qat - ignore subsequent state up commands
crypto: qat - relocate bufferlist logic
crypto: qat - rename bufferlist functions
crypto: qat - change bufferlist logic interface
crypto: qat - generalize crypto request buffers
crypto: qat - extend buffer list interface
crypto: qat - fix unregistration of crypto algorithms
scsi: ibmvfc: Fix erroneous use of rtas_busy_delay with hcall return code
libnvdimm/of_pmem: Use devm_kstrdup instead of kstrdup and check its return value
nd_btt: Make BTT lanes preemptible
crypto: caam/qi2 - fix Chacha20 + Poly1305 self test failure
crypto: caam/jr - fix Chacha20 + Poly1305 self test failure
crypto: qat - increase size of buffers
PCI: vmd: Correct PCI Header Type Register's multi-function check
hid: cp2112: Fix duplicate workqueue initialization
crypto: hisilicon/qm - delete redundant null assignment operations
crypto: hisilicon/qm - modify the process of regs dfx
crypto: hisilicon/qm - split a debugfs.c from qm
crypto: hisilicon/qm - fix PF queue parameter issue
ARM: 9321/1: memset: cast the constant byte to unsigned char
ext4: move 'ix' sanity check to corrent position
ASoC: fsl: mpc5200_dma.c: Fix warning of Function parameter or member not described
IB/mlx5: Fix rdma counter binding for RAW QP
RDMA/hns: Fix printing level of asynchronous events
RDMA/hns: Fix uninitialized ucmd in hns_roce_create_qp_common()
RDMA/hns: Fix signed-unsigned mixed comparisons
RDMA/hns: Add check for SL
RDMA/hns: The UD mode can only be configured with DCQCN
ASoC: SOF: core: Ensure sof_ops_free() is still called when probe never ran.
ASoC: fsl: Fix PM disable depth imbalance in fsl_easrc_probe
scsi: ufs: core: Leave space for '\0' in utf8 desc string
RDMA/hfi1: Workaround truncation compilation error
HID: cp2112: Make irq_chip immutable
hid: cp2112: Fix IRQ shutdown stopping polling for all IRQs on chip
sh: bios: Revive earlyprintk support
Revert "HID: logitech-hidpp: add a module parameter to keep firmware gestures"
HID: logitech-hidpp: Remove HIDPP_QUIRK_NO_HIDINPUT quirk
HID: logitech-hidpp: Don't restart IO, instead defer hid_connect() only
HID: logitech-hidpp: Revert "Don't restart communication if not necessary"
HID: logitech-hidpp: Move get_wireless_feature_index() check to hidpp_connect_event()
ASoC: Intel: Skylake: Fix mem leak when parsing UUIDs fails
padata: Fix refcnt handling in padata_free_shell()
crypto: qat - fix deadlock in backlog processing
ASoC: ams-delta.c: use component after check
IB/mlx5: Fix init stage error handling to avoid double free of same QP and UAF
mfd: core: Un-constify mfd_cell.of_reg
mfd: core: Ensure disabled devices are skipped without aborting
mfd: dln2: Fix double put in dln2_probe
dt-bindings: mfd: mt6397: Add binding for MT6357
dt-bindings: mfd: mt6397: Split out compatible for MediaTek MT6366 PMIC
mfd: arizona-spi: Set pdata.hpdet_channel for ACPI enumerated devs
leds: turris-omnia: Drop unnecessary mutex locking
leds: turris-omnia: Do not use SMBUS calls
leds: pwm: Don't disable the PWM when the LED should be off
leds: trigger: ledtrig-cpu:: Fix 'output may be truncated' issue for 'cpu'
kunit: add macro to allow conditionally exposing static symbols to tests
apparmor: test: make static symbols visible during kunit testing
apparmor: fix invalid reference on profile->disconnected
perf stat: Fix aggr mode initialization
iio: frequency: adf4350: Use device managed functions and fix power down issue.
perf kwork: Fix incorrect and missing free atom in work_push_atom()
perf kwork: Add the supported subcommands to the document
perf kwork: Set ordered_events to true in 'struct perf_tool'
filemap: add filemap_get_folios_tag()
f2fs: convert f2fs_write_cache_pages() to use filemap_get_folios_tag()
f2fs: compress: fix deadloop in f2fs_write_cache_pages()
f2fs: compress: fix to avoid use-after-free on dic
f2fs: compress: fix to avoid redundant compress extension
tty: tty_jobctrl: fix pid memleak in disassociate_ctty()
livepatch: Fix missing newline character in klp_resolve_symbols()
pinctrl: renesas: rzg2l: Make reverse order of enable() for disable()
perf record: Fix BTF type checks in the off-cpu profiling
dmaengine: idxd: Register dsa_bus_type before registering idxd sub-drivers
usb: dwc2: fix possible NULL pointer dereference caused by driver concurrency
usb: chipidea: Fix DMA overwrite for Tegra
usb: chipidea: Simplify Tegra DMA alignment code
dmaengine: ti: edma: handle irq_of_parse_and_map() errors
misc: st_core: Do not call kfree_skb() under spin_lock_irqsave()
tools: iio: iio_generic_buffer ensure alignment
USB: usbip: fix stub_dev hub disconnect
dmaengine: pxa_dma: Remove an erroneous BUG_ON() in pxad_free_desc()
f2fs: fix to initialize map.m_pblk in f2fs_precache_extents()
interconnect: qcom: sc7180: Retire DEFINE_QBCM
interconnect: qcom: sc7180: Set ACV enable_mask
interconnect: qcom: sc7280: Set ACV enable_mask
interconnect: qcom: sc8180x: Set ACV enable_mask
interconnect: qcom: sc8280xp: Set ACV enable_mask
interconnect: qcom: sdm845: Retire DEFINE_QBCM
interconnect: qcom: sdm845: Set ACV enable_mask
interconnect: qcom: sm6350: Retire DEFINE_QBCM
interconnect: qcom: sm6350: Set ACV enable_mask
interconnect: move ignore_list out of of_count_icc_providers()
interconnect: qcom: sm8150: Drop IP0 interconnects
interconnect: qcom: sm8150: Retire DEFINE_QBCM
interconnect: qcom: sm8150: Set ACV enable_mask
interconnect: qcom: sm8350: Retire DEFINE_QBCM
interconnect: qcom: sm8350: Set ACV enable_mask
powerpc: Only define __parse_fpscr() when required
modpost: fix tee MODULE_DEVICE_TABLE built on big-endian host
modpost: fix ishtp MODULE_DEVICE_TABLE built on big-endian host
powerpc/40x: Remove stale PTE_ATOMIC_UPDATES macro
powerpc/xive: Fix endian conversion size
powerpc/vas: Limit open window failure messages in log bufffer
powerpc/imc-pmu: Use the correct spinlock initializer.
powerpc/pseries: fix potential memory leak in init_cpu_associativity()
xhci: Loosen RPM as default policy to cover for AMD xHC 1.1
usb: host: xhci-plat: fix possible kernel oops while resuming
perf machine: Avoid out of bounds LBR memory read
perf hist: Add missing puts to hist__account_cycles
9p/net: fix possible memory leak in p9_check_errors()
i3c: Fix potential refcount leak in i3c_master_register_new_i3c_devs
cxl/mem: Fix shutdown order
crypto: ccp - Name -1 return value as SEV_RET_NO_FW_CALL
x86/sev: Change snp_guest_issue_request()'s fw_err argument
virt: sevguest: Fix passing a stack buffer as a scatterlist target
rtc: pcf85363: fix wrong mask/val parameters in regmap_update_bits call
pcmcia: cs: fix possible hung task and memory leak pccardd()
pcmcia: ds: fix refcount leak in pcmcia_device_add()
pcmcia: ds: fix possible name leak in error path in pcmcia_device_add()
media: hantro: Check whether reset op is defined before use
media: verisilicon: Do not enable G2 postproc downscale if source is narrower than destination
media: ov5640: Drop dead code using frame_interval
media: ov5640: fix vblank unchange issue when work at dvp mode
media: i2c: max9286: Fix some redundant of_node_put() calls
media: ov5640: Fix a memory leak when ov5640_probe fails
media: bttv: fix use after free error due to btv->timeout timer
media: amphion: handle firmware debug message
media: mtk-jpegenc: Fix bug in JPEG encode quality selection
media: s3c-camif: Avoid inappropriate kfree()
media: vidtv: psi: Add check for kstrdup
media: vidtv: mux: Add check and kfree for kstrdup
media: cedrus: Fix clock/reset sequence
media: cadence: csi2rx: Unregister v4l2 async notifier
media: dvb-usb-v2: af9035: fix missing unlock
media: cec: meson: always include meson sub-directory in Makefile
regmap: prevent noinc writes from clobbering cache
pwm: sti: Reduce number of allocations and drop usage of chip_data
pwm: brcmstb: Utilize appropriate clock APIs in suspend/resume
Input: synaptics-rmi4 - fix use after free in rmi_unregister_function()
watchdog: ixp4xx: Make sure restart always works
llc: verify mac len before reading mac header
hsr: Prevent use after free in prp_create_tagged_frame()
tipc: Change nla_policy for bearer-related names to NLA_NUL_STRING
bpf: Check map->usercnt after timer->timer is assigned
inet: shrink struct flowi_common
octeontx2-pf: Fix error codes
octeontx2-pf: Fix holes in error code
net: page_pool: add missing free_percpu when page_pool_init fail
dccp: Call security_inet_conn_request() after setting IPv4 addresses.
dccp/tcp: Call security_inet_conn_request() after setting IPv6 addresses.
net: r8169: Disable multicast filter for RTL8168H and RTL8107E
Fix termination state for idr_for_each_entry_ul()
net: stmmac: xgmac: Enable support for multiple Flexible PPS outputs
selftests: pmtu.sh: fix result checking
octeontx2-pf: Rename tot_tx_queues to non_qos_queues
octeontx2-pf: qos send queues management
octeontx2-pf: Free pending and dropped SQEs
net/smc: fix dangling sock under state SMC_APPFINCLOSEWAIT
net/smc: allow cdc msg send rather than drop it with NULL sndbuf_desc
net/smc: put sk reference if close work was canceled
nvme: fix error-handling for io_uring nvme-passthrough
tg3: power down device only on SYSTEM_POWER_OFF
nbd: fix uaf in nbd_open
blk-core: use pr_warn_ratelimited() in bio_check_ro()
virtio/vsock: replace virtio_vsock_pkt with sk_buff
vsock/virtio: remove socket from connected/bound list on shutdown
r8169: respect userspace disabling IFF_MULTICAST
i2c: iproc: handle invalid slave state
netfilter: xt_recent: fix (increase) ipv6 literal buffer length
netfilter: nft_redir: use `struct nf_nat_range2` throughout and deduplicate eval call-backs
netfilter: nat: fix ipv6 nat redirect with mapped and scoped addresses
RISC-V: Don't fail in riscv_of_parent_hartid() for disabled HARTs
drm/syncobj: fix DRM_SYNCOBJ_WAIT_FLAGS_WAIT_AVAILABLE
ASoC: mediatek: mt8186_mt6366_rt1019_rt5682s: trivial: fix error messages
ASoC: hdmi-codec: register hpd callback on component probe
ASoC: dapm: fix clock get name
spi: spi-zynq-qspi: add spi-mem to driver kconfig dependencies
fbdev: imsttfb: Fix error path of imsttfb_probe()
fbdev: imsttfb: fix a resource leak in probe
fbdev: fsl-diu-fb: mark wr_reg_wa() static
tracing/kprobes: Fix the order of argument descriptions
io_uring/net: ensure socket is marked connected on connect retry
x86/amd_nb: Use Family 19h Models 60h-7Fh Function 4 IDs
Revert "mmc: core: Capture correct oemid-bits for eMMC cards"
btrfs: use u64 for buffer sizes in the tree search ioctls
wifi: cfg80211: fix kernel-doc for wiphy_delayed_work_flush()
virtio/vsock: don't use skbuff state to account credit
virtio/vsock: remove redundant 'skb_pull()' call
virtio/vsock: don't drop skbuff on copy failure
vsock/loopback: use only sk_buff_head.lock to protect the packet queue
virtio/vsock: fix leaks due to missing skb owner
virtio/vsock: Fix uninit-value in virtio_transport_recv_pkt()
virtio/vsock: fix header length on skb merging
Linux 6.1.63
Change-Id: I87b7a539b11c90cfaf16edb07d613f74d54458a4
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
[ Upstream commit 7116c0af4b8414b2f19fdb366eea213cbd9d91c2 ]
Readahead was factored to call generic_fadvise. That refactor added an
S_ISREG restriction which broke readahead on block devices.
In addition to S_ISREG, this change checks S_ISBLK to fix block device
readahead. There is no change in behavior with any file type besides block
devices in this change.
Fixes: 3d8f761531 ("vfs: implement readahead(2) using POSIX_FADV_WILLNEED")
Signed-off-by: Reuben Hawkins <reubenhwk@gmail.com>
Link: https://lore.kernel.org/r/20231003015704.2415-1-reubenhwk@gmail.com
Reviewed-by: Amir Goldstein <amir73il@gmail.com>
Signed-off-by: Christian Brauner <brauner@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Tune ReadAhead size for better memory usage and performance.
accordding to Read-Ahead Efficiency on Mobile Devices: Observation,
Characterization, and Optimization form IEEE
Bug: 229839032
Change-Id: I91656bde5e616e181fd7557554d55e7ce1858136
Signed-off-by: liang zhang <liang.zhang@transsion.com>
Signed-off-by: Oven <liyangouwen1@oppo.com>
Create a vendor hook inside of gfp_zone() to modify which allocations
get to enter ZONE_MOVABLE, by zeroing out __GFP_HIGHMEM inside of the
trace hook based on certain conditions.
Separately, create a trace hook in the readahead path to affect the
behavior of the tracehook in gfp_zone().
In 5.15, we had set_skip_swapcache_flags trace-hook in do_swap_page()
but commit ac26e9c7b809 ("ANDROID: cma: allow to use CMA in swap-in path")
added __GFP_CMA explicitly, so the set_skip_swapcache_flags trace hook
is no longer needed.
Note: To comply with vendor hook guidlines, avoid including types.h in
trace/hooks/mm.h and use unsigned int for gfp_t.
Bug: 158645321
Change-Id: Idfa6b0b06b1b819d706c847e702bc94ddf7aa55a
Signed-off-by: Chris Goldsworthy <cgoldswo@codeaurora.org>
Signed-off-by: Sukadev Bhattiprolu <quic_sukadev@quicinc.com>
PSI tries to account for the cost of bringing back in pages discarded by
the MM LRU management. Currently the prime place for that is hooked into
the bio submission path, which is a rather bad place:
- it does not actually account I/O for non-block file systems, of which
we have many
- it adds overhead and a layering violation to the block layer
Add the accounting into the two places in the core MM code that read
pages into an address space by calling into ->read_folio and ->readahead
so that the entire file system operations are covered, to broaden
the coverage and allow removing the accounting in the block layer going
forward.
As psi_memstall_enter can deal with nested calls this will not lead to
double accounting even while the bio annotations are still present.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Johannes Weiner <hannes@cmpxchg.org>
Link: https://lore.kernel.org/r/20220915094200.139713-2-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Commit 793917d997 ("mm/readahead: Add large folio readahead")
introduced support for using large folios for filebacked pages if the
filesystem supports it.
page_cache_ra_order() was introduced to allocate and add these large
folios to the page cache. However adding pages to the page cache should
be serialized against truncation and hole punching by taking
invalidate_lock. Not doing so can lead to data races resulting in stale
data getting added to the page cache and marked up-to-date. See commit
730633f0b7 ("mm: Protect operations adding pages to page cache with
invalidate_lock") for more details.
This issue was found by inspection but a testcase revealed it was
possible to observe in practice on XFS. Fix this by taking
invalidate_lock in page_cache_ra_order(), to mirror what is done for the
non-thp case in page_cache_ra_unbounded().
Signed-off-by: Alistair Popple <apopple@nvidia.com>
Fixes: 793917d997 ("mm/readahead: Add large folio readahead")
Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
We must hold a reference over the call to filemap_release_folio(),
otherwise the page cache will put the last reference to the folio
before we unlock it, leading to splats like this:
BUG: Bad page state in process u8:5 pfn:1ab1f4
page:ffffea0006ac7d00 refcount:0 mapcount:0 mapping:0000000000000000 index:0x28b1de pfn:0x1ab1f4
flags: 0x17ff80000040001(locked|reclaim|node=0|zone=2|lastcpupid=0xfff)
raw: 017ff80000040001 dead000000000100 dead000000000122 0000000000000000
raw: 000000000028b1de 0000000000000000 00000000ffffffff 0000000000000000
page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set
It's an error path, so it doesn't see much testing.
Reported-by: Darrick J. Wong <djwong@kernel.org>
Fixes: a42634a6c0 ("readahead: Use a folio in read_pages()")
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
* Support for the Svpbmt extension, which allows memory attributes to be
encoded in pages.
* Support for the Allwinner D1's implementation of page-based memory
attributes.
* Support for running rv32 binaries on rv64 systems, via the compat
subsystem.
* Support for kexec_file().
* Support for the new generic ticket-based spinlocks, which allows us to
also move to qrwlock. These should have already gone in through the
asm-geneic tree as well.
* A handful of cleanups and fixes, include some larger ones around
atomics and XIP.
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Merge tag 'riscv-for-linus-5.19-mw0' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux
Pull RISC-V updates from Palmer Dabbelt:
- Support for the Svpbmt extension, which allows memory attributes to
be encoded in pages
- Support for the Allwinner D1's implementation of page-based memory
attributes
- Support for running rv32 binaries on rv64 systems, via the compat
subsystem
- Support for kexec_file()
- Support for the new generic ticket-based spinlocks, which allows us
to also move to qrwlock. These should have already gone in through
the asm-geneic tree as well
- A handful of cleanups and fixes, include some larger ones around
atomics and XIP
* tag 'riscv-for-linus-5.19-mw0' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux: (51 commits)
RISC-V: Prepare dropping week attribute from arch_kexec_apply_relocations[_add]
riscv: compat: Using seperated vdso_maps for compat_vdso_info
RISC-V: Fix the XIP build
RISC-V: Split out the XIP fixups into their own file
RISC-V: ignore xipImage
RISC-V: Avoid empty create_*_mapping definitions
riscv: Don't output a bogus mmu-type on a no MMU kernel
riscv: atomic: Add custom conditional atomic operation implementation
riscv: atomic: Optimize dec_if_positive functions
riscv: atomic: Cleanup unnecessary definition
RISC-V: Load purgatory in kexec_file
RISC-V: Add purgatory
RISC-V: Support for kexec_file on panic
RISC-V: Add kexec_file support
RISC-V: use memcpy for kexec_file mode
kexec_file: Fix kexec_file.c build error for riscv platform
riscv: compat: Add COMPAT Kbuild skeletal support
riscv: compat: ptrace: Add compat_arch_ptrace implement
riscv: compat: signal: Add rt_frame implementation
riscv: add memory-type errata for T-Head
...
- Appoint myself page cache maintainer
- Fix how scsicam uses the page cache
- Use the memalloc_nofs_save() API to replace AOP_FLAG_NOFS
- Remove the AOP flags entirely
- Remove pagecache_write_begin() and pagecache_write_end()
- Documentation updates
- Convert several address_space operations to use folios:
- is_dirty_writeback
- readpage becomes read_folio
- releasepage becomes release_folio
- freepage becomes free_folio
- Change filler_t to require a struct file pointer be the first argument
like ->read_folio
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Merge tag 'folio-5.19' of git://git.infradead.org/users/willy/pagecache
Pull page cache updates from Matthew Wilcox:
- Appoint myself page cache maintainer
- Fix how scsicam uses the page cache
- Use the memalloc_nofs_save() API to replace AOP_FLAG_NOFS
- Remove the AOP flags entirely
- Remove pagecache_write_begin() and pagecache_write_end()
- Documentation updates
- Convert several address_space operations to use folios:
- is_dirty_writeback
- readpage becomes read_folio
- releasepage becomes release_folio
- freepage becomes free_folio
- Change filler_t to require a struct file pointer be the first
argument like ->read_folio
* tag 'folio-5.19' of git://git.infradead.org/users/willy/pagecache: (107 commits)
nilfs2: Fix some kernel-doc comments
Appoint myself page cache maintainer
fs: Remove aops->freepage
secretmem: Convert to free_folio
nfs: Convert to free_folio
orangefs: Convert to free_folio
fs: Add free_folio address space operation
fs: Convert drop_buffers() to use a folio
fs: Change try_to_free_buffers() to take a folio
jbd2: Convert release_buffer_page() to use a folio
jbd2: Convert jbd2_journal_try_to_free_buffers to take a folio
reiserfs: Convert release_buffer_page() to use a folio
fs: Remove last vestiges of releasepage
ubifs: Convert to release_folio
reiserfs: Convert to release_folio
orangefs: Convert to release_folio
ocfs2: Convert to release_folio
nilfs2: Remove comment about releasepage
nfs: Convert to release_folio
jfs: Convert to release_folio
...
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Merge tag 'for-5.19/block-2022-05-22' of git://git.kernel.dk/linux-block
Pull block updates from Jens Axboe:
"Here are the core block changes for 5.19. This contains:
- blk-throttle accounting fix (Laibin)
- Series removing redundant assignments (Michal)
- Expose bio cache via the bio_set, so that DM can use it (Mike)
- Finish off the bio allocation interface cleanups by dealing with
the weirdest member of the family. bio_kmalloc combines a kmalloc
for the bio and bio_vecs with a hidden bio_init call and magic
cleanup semantics (Christoph)
- Clean up the block layer API so that APIs consumed by file systems
are (almost) only struct block_device based, so that file systems
don't have to poke into block layer internals like the
request_queue (Christoph)
- Clean up the blk_execute_rq* API (Christoph)
- Clean up various lose end in the blk-cgroup code to make it easier
to follow in preparation of reworking the blkcg assignment for bios
(Christoph)
- Fix use-after-free issues in BFQ when processes with merged queues
get moved to different cgroups (Jan)
- BFQ fixes (Jan)
- Various fixes and cleanups (Bart, Chengming, Fanjun, Julia, Ming,
Wolfgang, me)"
* tag 'for-5.19/block-2022-05-22' of git://git.kernel.dk/linux-block: (83 commits)
blk-mq: fix typo in comment
bfq: Remove bfq_requeue_request_body()
bfq: Remove superfluous conversion from RQ_BIC()
bfq: Allow current waker to defend against a tentative one
bfq: Relax waker detection for shared queues
blk-cgroup: delete rcu_read_lock_held() WARN_ON_ONCE()
blk-throttle: Set BIO_THROTTLED when bio has been throttled
blk-cgroup: Remove unnecessary rcu_read_lock/unlock()
blk-cgroup: always terminate io.stat lines
block, bfq: make bfq_has_work() more accurate
block, bfq: protect 'bfqd->queued' by 'bfqd->lock'
block: cleanup the VM accounting in submit_bio
block: Fix the bio.bi_opf comment
block: reorder the REQ_ flags
blk-iocost: combine local_stat and desc_stat to stat
block: improve the error message from bio_check_eod
block: allow passing a NULL bdev to bio_alloc_clone/bio_init_clone
block: remove superfluous calls to blkcg_bio_issue_init
kthread: unexport kthread_blkcg
blk-cgroup: cleanup blkcg_maybe_throttle_current
...
With all implementations of aops->readpage converted to aops->read_folio,
we can stop checking whether it's set and remove the member from aops.
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Change all the callers of ->readpage to call ->read_folio in preference,
if it exists. This is a transitional duplication, and will be removed
by the end of the series.
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Handle multi-page folios correctly and removes a few calls to
compound_head().
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reading 100KB chunks from a big file (eg dd bs=100K) leads to poor
readahead behaviour. Studying the traces in detail, I noticed two
problems.
The first is that we were setting the readahead flag on the folio which
contains the last byte read from the block. This is wrong because we
will trigger readahead at the end of the read without waiting to see
if a subsequent read is going to use the pages we just read. Instead,
we need to set the readahead flag on the first folio _after_ the one
which contains the last byte that we're reading.
The second is that we were looking for the index of the folio with the
readahead flag set to exactly match the start + size - async_size.
If we've rounded this, either down (as previously) or up (as now),
we'll think we hit a folio marked as readahead by a different read,
and try to read the wrong pages. So round the expected index to the
order of the folio we hit.
Reported-by: Guo Xuenan <guoxuenan@huawei.com>
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Remove all the includes that aren't actually needed from
<linux/blk-cgroup.h> and push them to the actual source files where
needed.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Tejun Heo <tj@kernel.org>
Link: https://lore.kernel.org/r/20220420042723.1010598-12-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
- Refer to folios where appropriate, not pages (Matthew Wilcox)
- Eliminate references to the internal PG_readhead
- Use "readahead" consistently - not "read-ahead" or "read ahead"
(mostly Neil Brown)
- Clarify some sections that, on reflection, weren't very clear (Neil
Brown)
- Minor punctuation/spelling fixes (Neil Brown)
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
The skip_page argument to read_pages controls if rac->_index is
incremented before returning from the function. Just open code that in
the callers.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Al Viro <viro@zeniv.linux.org.uk>
Acked-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
This is always an empty list or NULL with the removal of the ->readahead
support, so remove it.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Al Viro <viro@zeniv.linux.org.uk>
Acked-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
All filesystems have now been converted to use ->readahead, so
remove the ->readpages operation and fix all the comments that
used to refer to it.
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Al Viro <viro@zeniv.linux.org.uk>
Acked-by: Al Viro <viro@zeniv.linux.org.uk>
With no remaining users, remove this function and the related
infrastructure.
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Al Viro <viro@zeniv.linux.org.uk>
Acked-by: Al Viro <viro@zeniv.linux.org.uk>
Primarily this series converts some of the address_space operations
to take a folio instead of a page.
->is_partially_uptodate() takes a folio instead of a page and changes the
type of the 'from' and 'count' arguments to make it obvious they're bytes.
->invalidatepage() becomes ->invalidate_folio() and has a similar type change.
->launder_page() becomes ->launder_folio()
->set_page_dirty() becomes ->dirty_folio() and adds the address_space as
an argument.
There are a couple of other misc changes up front that weren't worth
separating into their own pull request.
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Merge tag 'folio-5.18b' of git://git.infradead.org/users/willy/pagecache
Pull filesystem folio updates from Matthew Wilcox:
"Primarily this series converts some of the address_space operations to
take a folio instead of a page.
Notably:
- a_ops->is_partially_uptodate() takes a folio instead of a page and
changes the type of the 'from' and 'count' arguments to make it
obvious they're bytes.
- a_ops->invalidatepage() becomes ->invalidate_folio() and has a
similar type change.
- a_ops->launder_page() becomes ->launder_folio()
- a_ops->set_page_dirty() becomes ->dirty_folio() and adds the
address_space as an argument.
There are a couple of other misc changes up front that weren't worth
separating into their own pull request"
* tag 'folio-5.18b' of git://git.infradead.org/users/willy/pagecache: (53 commits)
fs: Remove aops ->set_page_dirty
fb_defio: Use noop_dirty_folio()
fs: Convert __set_page_dirty_no_writeback to noop_dirty_folio
fs: Convert __set_page_dirty_buffers to block_dirty_folio
nilfs: Convert nilfs_set_page_dirty() to nilfs_dirty_folio()
mm: Convert swap_set_page_dirty() to swap_dirty_folio()
ubifs: Convert ubifs_set_page_dirty to ubifs_dirty_folio
f2fs: Convert f2fs_set_node_page_dirty to f2fs_dirty_node_folio
f2fs: Convert f2fs_set_data_page_dirty to f2fs_dirty_data_folio
f2fs: Convert f2fs_set_meta_page_dirty to f2fs_dirty_meta_folio
afs: Convert afs_dir_set_page_dirty() to afs_dir_dirty_folio()
btrfs: Convert extent_range_redirty_for_io() to use folios
fs: Convert trivial uses of __set_page_dirty_nobuffers to filemap_dirty_folio
btrfs: Convert from set_page_dirty to dirty_folio
fscache: Convert fscache_set_page_dirty() to fscache_dirty_folio()
fs: Add aops->dirty_folio
fs: Remove aops->launder_page
orangefs: Convert launder_page to launder_folio
nfs: Convert from launder_page to launder_folio
fuse: Convert from launder_page to launder_folio
...
- Rewrite how munlock works to massively reduce the contention
on i_mmap_rwsem (Hugh Dickins):
https://lore.kernel.org/linux-mm/8e4356d-9622-a7f0-b2c-f116b5f2efea@google.com/
- Sort out the page refcount mess for ZONE_DEVICE pages (Christoph Hellwig):
https://lore.kernel.org/linux-mm/20220210072828.2930359-1-hch@lst.de/
- Convert GUP to use folios and make pincount available for order-1
pages. (Matthew Wilcox)
- Convert a few more truncation functions to use folios (Matthew Wilcox)
- Convert page_vma_mapped_walk to use PFNs instead of pages (Matthew Wilcox)
- Convert rmap_walk to use folios (Matthew Wilcox)
- Convert most of shrink_page_list() to use a folio (Matthew Wilcox)
- Add support for creating large folios in readahead (Matthew Wilcox)
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Merge tag 'folio-5.18c' of git://git.infradead.org/users/willy/pagecache
Pull folio updates from Matthew Wilcox:
- Rewrite how munlock works to massively reduce the contention on
i_mmap_rwsem (Hugh Dickins):
https://lore.kernel.org/linux-mm/8e4356d-9622-a7f0-b2c-f116b5f2efea@google.com/
- Sort out the page refcount mess for ZONE_DEVICE pages (Christoph
Hellwig):
https://lore.kernel.org/linux-mm/20220210072828.2930359-1-hch@lst.de/
- Convert GUP to use folios and make pincount available for order-1
pages. (Matthew Wilcox)
- Convert a few more truncation functions to use folios (Matthew
Wilcox)
- Convert page_vma_mapped_walk to use PFNs instead of pages (Matthew
Wilcox)
- Convert rmap_walk to use folios (Matthew Wilcox)
- Convert most of shrink_page_list() to use a folio (Matthew Wilcox)
- Add support for creating large folios in readahead (Matthew Wilcox)
* tag 'folio-5.18c' of git://git.infradead.org/users/willy/pagecache: (114 commits)
mm/damon: minor cleanup for damon_pa_young
selftests/vm/transhuge-stress: Support file-backed PMD folios
mm/filemap: Support VM_HUGEPAGE for file mappings
mm/readahead: Switch to page_cache_ra_order
mm/readahead: Align file mappings for non-DAX
mm/readahead: Add large folio readahead
mm: Support arbitrary THP sizes
mm: Make large folios depend on THP
mm: Fix READ_ONLY_THP warning
mm/filemap: Allow large folios to be added to the page cache
mm: Turn can_split_huge_page() into can_split_folio()
mm/vmscan: Convert pageout() to take a folio
mm/vmscan: Turn page_check_references() into folio_check_references()
mm/vmscan: Account large folios correctly
mm/vmscan: Optimise shrink_page_list for non-PMD-sized folios
mm/vmscan: Free non-shmem folios without splitting them
mm/rmap: Constify the rmap_walk_control argument
mm/rmap: Convert rmap_walk() to take a folio
mm: Turn page_anon_vma() into folio_anon_vma()
mm/rmap: Turn page_lock_anon_vma_read() into folio_lock_anon_vma_read()
...
inode_congested() reports if the backing-device for the inode is
congested. No bdi reports congestion any more, so this always returns
'false'.
So remove inode_congested() and related functions, and remove the call
sites, assuming that inode_congested() always returns 'false'.
Link: https://lkml.kernel.org/r/164549983741.9187.2174285592262191311.stgit@noble.brown
Signed-off-by: NeilBrown <neilb@suse.de>
Cc: Anna Schumaker <Anna.Schumaker@Netapp.com>
Cc: Chao Yu <chao@kernel.org>
Cc: Darrick J. Wong <djwong@kernel.org>
Cc: Ilya Dryomov <idryomov@gmail.com>
Cc: Jaegeuk Kim <jaegeuk@kernel.org>
Cc: Jan Kara <jack@suse.cz>
Cc: Jeff Layton <jlayton@kernel.org>
Cc: Jens Axboe <axboe@kernel.dk>
Cc: Lars Ellenberg <lars.ellenberg@linbit.com>
Cc: Miklos Szeredi <miklos@szeredi.hu>
Cc: Paolo Valente <paolo.valente@linaro.org>
Cc: Philipp Reisner <philipp.reisner@linbit.com>
Cc: Ryusuke Konishi <konishi.ryusuke@gmail.com>
Cc: Trond Myklebust <trond.myklebust@hammerspace.com>
Cc: Wu Fengguang <fengguang.wu@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
If ->readpages doesn't process all the pages, then it is best to act as
though they weren't requested so that a subsequent readahead can try
again.
So:
- remove any 'ahead' pages from the page cache so they can be loaded
with ->readahead() rather then multiple ->read()s
- update the file_ra_state to reflect the reads that were actually
submitted.
This allows ->readpages() to abort early due e.g. to congestion, which
will then allow us to remove the inode_read_congested() test from
page_Cache_async_ra().
Link: https://lkml.kernel.org/r/164549983736.9187.16755913785880819183.stgit@noble.brown
Signed-off-by: NeilBrown <neilb@suse.de>
Cc: Anna Schumaker <Anna.Schumaker@Netapp.com>
Cc: Chao Yu <chao@kernel.org>
Cc: Darrick J. Wong <djwong@kernel.org>
Cc: Ilya Dryomov <idryomov@gmail.com>
Cc: Jaegeuk Kim <jaegeuk@kernel.org>
Cc: Jan Kara <jack@suse.cz>
Cc: Jeff Layton <jlayton@kernel.org>
Cc: Jens Axboe <axboe@kernel.dk>
Cc: Lars Ellenberg <lars.ellenberg@linbit.com>
Cc: Miklos Szeredi <miklos@szeredi.hu>
Cc: Paolo Valente <paolo.valente@linaro.org>
Cc: Philipp Reisner <philipp.reisner@linbit.com>
Cc: Ryusuke Konishi <konishi.ryusuke@gmail.com>
Cc: Trond Myklebust <trond.myklebust@hammerspace.com>
Cc: Wu Fengguang <fengguang.wu@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Add some "big-picture" documentation for read-ahead and polish the code
to make it fit this documentation.
The meaning of ->async_size is clarified to match its name. i.e. Any
request to ->readahead() has a sync part and an async part. The caller
will wait for the sync pages to complete, but will not wait for the
async pages. The first async page is still marked PG_readahead
Note that the current function names page_cache_sync_ra() and
page_cache_async_ra() are misleading. All ra request are partly sync
and partly async, so either part can be empty. A page_cache_sync_ra()
request will usually set ->async_size non-zero, implying it is not all
synchronous.
When a non-zero req_count is passed to page_cache_async_ra(), the
implication is that some prefix of the request is synchronous, though
the calculation made there is incorrect - I haven't tried to fix it.
Link: https://lkml.kernel.org/r/164549983734.9187.11586890887006601405.stgit@noble.brown
Signed-off-by: NeilBrown <neilb@suse.de>
Cc: Anna Schumaker <Anna.Schumaker@Netapp.com>
Cc: Chao Yu <chao@kernel.org>
Cc: Darrick J. Wong <djwong@kernel.org>
Cc: Ilya Dryomov <idryomov@gmail.com>
Cc: Jaegeuk Kim <jaegeuk@kernel.org>
Cc: Jan Kara <jack@suse.cz>
Cc: Jeff Layton <jlayton@kernel.org>
Cc: Jens Axboe <axboe@kernel.dk>
Cc: Lars Ellenberg <lars.ellenberg@linbit.com>
Cc: Miklos Szeredi <miklos@szeredi.hu>
Cc: Paolo Valente <paolo.valente@linaro.org>
Cc: Philipp Reisner <philipp.reisner@linbit.com>
Cc: Ryusuke Konishi <konishi.ryusuke@gmail.com>
Cc: Trond Myklebust <trond.myklebust@hammerspace.com>
Cc: Wu Fengguang <fengguang.wu@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
do_page_cache_ra() was being exposed for the benefit of
do_sync_mmap_readahead(). Switch it over to page_cache_ra_order()
partly because it's a better interface but mostly for the benefit of
the next patch.
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Allocate large folios in the readahead code when the filesystem supports
them and it seems worth doing. The heuristic for choosing which folio
sizes will surely need some tuning, but this aggressive ramp-up has been
good for testing.
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Take a folio instead of a page, fix the types of the offset & length,
and export it to filesystems.
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Tested-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
Acked-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
Tested-by: Mike Marshall <hubcap@omnibond.com> # orangefs
Tested-by: David Howells <dhowells@redhat.com> # afs
This saves 99 bytes of kernel text.
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: William Kucharski <william.kucharski@oracle.com>
Using the folio here avoids checking whether it's a tail page.
This patch mostly just enables some of the following patches.
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: William Kucharski <william.kucharski@oracle.com>
Merge misc updates from Andrew Morton:
"257 patches.
Subsystems affected by this patch series: scripts, ocfs2, vfs, and
mm (slab-generic, slab, slub, kconfig, dax, kasan, debug, pagecache,
gup, swap, memcg, pagemap, mprotect, mremap, iomap, tracing, vmalloc,
pagealloc, memory-failure, hugetlb, userfaultfd, vmscan, tools,
memblock, oom-kill, hugetlbfs, migration, thp, readahead, nommu, ksm,
vmstat, madvise, memory-hotplug, rmap, zsmalloc, highmem, zram,
cleanups, kfence, and damon)"
* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (257 commits)
mm/damon: remove return value from before_terminate callback
mm/damon: fix a few spelling mistakes in comments and a pr_debug message
mm/damon: simplify stop mechanism
Docs/admin-guide/mm/pagemap: wordsmith page flags descriptions
Docs/admin-guide/mm/damon/start: simplify the content
Docs/admin-guide/mm/damon/start: fix a wrong link
Docs/admin-guide/mm/damon/start: fix wrong example commands
mm/damon/dbgfs: add adaptive_targets list check before enable monitor_on
mm/damon: remove unnecessary variable initialization
Documentation/admin-guide/mm/damon: add a document for DAMON_RECLAIM
mm/damon: introduce DAMON-based Reclamation (DAMON_RECLAIM)
selftests/damon: support watermarks
mm/damon/dbgfs: support watermarks
mm/damon/schemes: activate schemes based on a watermarks mechanism
tools/selftests/damon: update for regions prioritization of schemes
mm/damon/dbgfs: support prioritization weights
mm/damon/vaddr,paddr: support pageout prioritization
mm/damon/schemes: prioritize regions within the quotas
mm/damon/selftests: support schemes quotas
mm/damon/dbgfs: support quotas of schemes
...
In fact, formated values returned by get_init_ra_size are not that
intuitive. This patch make the comments reflect its truth.
Link: https://lkml.kernel.org/r/20211019104812.135602-1-linf@wangsu.com
Signed-off-by: Lin Feng <linf@wangsu.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Various files have acquired spurious includes of <linux/blkdev.h> over
time. Remove them.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Link: https://lore.kernel.org/r/20210920123328.1399408-5-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Currently, serializing operations such as page fault, read, or readahead
against hole punching is rather difficult. The basic race scheme is
like:
fallocate(FALLOC_FL_PUNCH_HOLE) read / fault / ..
truncate_inode_pages_range()
<create pages in page
cache here>
<update fs block mapping and free blocks>
Now the problem is in this way read / page fault / readahead can
instantiate pages in page cache with potentially stale data (if blocks
get quickly reused). Avoiding this race is not simple - page locks do
not work because we want to make sure there are *no* pages in given
range. inode->i_rwsem does not work because page fault happens under
mmap_sem which ranks below inode->i_rwsem. Also using it for reads makes
the performance for mixed read-write workloads suffer.
So create a new rw_semaphore in the address_space - invalidate_lock -
that protects adding of pages to page cache for page faults / reads /
readahead.
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jan Kara <jack@suse.cz>
For the case where read-ahead is disabled on the file, or if the cgroup
is congested, ensure that we can at least do 1 page of read-ahead to
make progress on the read in an async fashion. This could potentially be
larger, but it's not needed in terms of functionality, so let's error on
the side of caution as larger counts of pages may run into reclaim
issues (particularly if we're congested).
This makes sure we're not hitting the potentially sync ->readpage() path
for IO that is marked IOCB_WAITQ, which could cause us to block. It also
means we'll use the same path for IO, regardless of whether or not
read-ahead happens to be disabled on the lower level device.
Acked-by: Johannes Weiner <hannes@cmpxchg.org>
Reported-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reported-by: Hao_Xu <haoxu@linux.alibaba.com>
[axboe: updated for new ractl API]
Signed-off-by: Jens Axboe <axboe@kernel.dk>
The file_ra_state being passed into page_cache_sync_readahead() was being
ignored in favour of using the one embedded in the struct file. The only
caller for which this makes a difference is the fsverity code if the file
has been marked as POSIX_FADV_RANDOM, but it's confusing and worth fixing.
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Cc: Eric Biggers <ebiggers@google.com>
Link: https://lkml.kernel.org/r/20200903140844.14194-10-willy@infradead.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Reimplement page_cache_sync_readahead() and page_cache_async_readahead()
as wrappers around versions of the function which take a readahead_control
in preparation for making do_sync_mmap_readahead() pass down an RAC
struct.
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Cc: David Howells <dhowells@redhat.com>
Cc: Eric Biggers <ebiggers@google.com>
Link: https://lkml.kernel.org/r/20200903140844.14194-8-willy@infradead.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Reimplement force_page_cache_readahead() as a wrapper around
force_page_cache_ra(). Pass the existing readahead_control from
page_cache_sync_readahead().
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Cc: Eric Biggers <ebiggers@google.com>
Link: https://lkml.kernel.org/r/20200903140844.14194-7-willy@infradead.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Make ondemand_readahead() take a readahead_control struct in preparation
for making do_sync_mmap_readahead() pass down an RAC struct.
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Cc: Eric Biggers <ebiggers@google.com>
Link: https://lkml.kernel.org/r/20200903140844.14194-6-willy@infradead.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Rename __do_page_cache_readahead() to do_page_cache_ra() and call it
directly from ondemand_readahead() instead of indirecting via ra_submit().
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Cc: David Howells <dhowells@redhat.com>
Cc: Eric Biggers <ebiggers@google.com>
Link: https://lkml.kernel.org/r/20200903140844.14194-5-willy@infradead.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Define it in the callers instead of in page_cache_ra_unbounded().
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Cc: David Howells <dhowells@redhat.com>
Cc: Eric Biggers <ebiggers@google.com>
Link: https://lkml.kernel.org/r/20200903140844.14194-4-willy@infradead.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Patch series "Readahead patches for 5.9/5.10".
These are infrastructure for both the THP patchset and for the fscache
rewrite,
For both pieces of infrastructure being build on top of this patchset, we
want the ractl to be available higher in the call-stack.
For David's work, he wants to add the 'critical page' to the ractl so that
he knows which page NEEDS to be brought in from storage, and which ones
are nice-to-have. We might want something similar in block storage too.
It used to be simple -- the first page was the critical one, but then mmap
added fault-around and so for that usecase, the middle page is the
critical one. Anyway, I don't have any code to show that yet, we just
know that the lowest point in the callchain where we have that information
is do_sync_mmap_readahead() and so the ractl needs to start its life
there.
For THP, we havew the code that needs it. It's actually the apex patch to
the series; the one which finally starts to allocate THPs and present them
to consenting filesystems:
798bcf30ab
This patch (of 8):
Allow for a more concise definition of a struct readahead_control.
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Cc: Eric Biggers <ebiggers@google.com>
Cc: David Howells <dhowells@redhat.com>
Link: https://lkml.kernel.org/r/20200903140844.14194-1-willy@infradead.org
Link: https://lkml.kernel.org/r/20200903140844.14194-3-willy@infradead.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Ensure that memory allocations in the readahead path do not attempt to
reclaim file-backed pages, which could lead to a deadlock. It is
possible, though unlikely this is the root cause of a problem observed
by Cong Wang.
Reported-by: Cong Wang <xiyou.wangcong@gmail.com>
Suggested-by: Michal Hocko <mhocko@suse.com>
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Reviewed-by: William Kucharski <william.kucharski@oracle.com>
Cc: Chao Yu <yuchao0@huawei.com>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Darrick J. Wong <darrick.wong@oracle.com>
Cc: Dave Chinner <dchinner@redhat.com>
Cc: Eric Biggers <ebiggers@google.com>
Cc: Gao Xiang <gaoxiang25@huawei.com>
Cc: Jaegeuk Kim <jaegeuk@kernel.org>
Cc: John Hubbard <jhubbard@nvidia.com>
Cc: Joseph Qi <joseph.qi@linux.alibaba.com>
Cc: Junxiao Bi <junxiao.bi@oracle.com>
Cc: Zi Yan <ziy@nvidia.com>
Cc: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Cc: Miklos Szeredi <mszeredi@redhat.com>
Link: http://lkml.kernel.org/r/20200414150233.24495-16-willy@infradead.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
If the page is already in cache, we don't set PageReadahead on it.
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: William Kucharski <william.kucharski@oracle.com>
Cc: Chao Yu <yuchao0@huawei.com>
Cc: Cong Wang <xiyou.wangcong@gmail.com>
Cc: Darrick J. Wong <darrick.wong@oracle.com>
Cc: Dave Chinner <dchinner@redhat.com>
Cc: Eric Biggers <ebiggers@google.com>
Cc: Gao Xiang <gaoxiang25@huawei.com>
Cc: Jaegeuk Kim <jaegeuk@kernel.org>
Cc: John Hubbard <jhubbard@nvidia.com>
Cc: Joseph Qi <joseph.qi@linux.alibaba.com>
Cc: Junxiao Bi <junxiao.bi@oracle.com>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Zi Yan <ziy@nvidia.com>
Cc: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Cc: Miklos Szeredi <mszeredi@redhat.com>
Link: http://lkml.kernel.org/r/20200414150233.24495-15-willy@infradead.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
