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android_kernel_asus_sm8350/mm
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Darrick J. Wong 42ec3d4c02 vfs: make remap_file_range functions take and return bytes completed 
Change the remap_file_range functions to take a number of bytes to
operate upon and return the number of bytes they operated on.  This is a
requirement for allowing fs implementations to return short clone/dedupe
results to the user, which will enable us to obey resource limits in a
graceful manner.

A subsequent patch will enable copy_file_range to signal to the
->clone_file_range implementation that it can handle a short length,
which will be returned in the function's return value.  For now the
short return is not implemented anywhere so the behavior won't change --
either copy_file_range manages to clone the entire range or it tries an
alternative.

Neither clone ioctl can take advantage of this, alas.

Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Amir Goldstein <amir73il@gmail.com>
Signed-off-by: Dave Chinner <david@fromorbit.com>
2018-10-30 10:41:49 +11:00
..
kasan
kernel/memremap, kasan: make ZONE_DEVICE with work with KASAN
2018-08-17 16:20:30 -07:00
backing-dev.c
blkcg: delay blkg destruction until after writeback has finished
2018-08-31 14:48:56 -06:00
balloon_compaction.c
virtio_balloon: fix deadlock on OOM
2017-11-14 23:57:38 +02:00
bootmem.c
docs/mm: bootmem: add overview documentation
2018-08-02 12:17:27 -06:00
cleancache.c
mm: use octal not symbolic permissions
2018-06-15 07:55:25 +09:00
cma_debug.c
mm/cma: remove unsupported gfp_mask parameter from cma_alloc()
2018-08-17 16:20:32 -07:00
cma.c
mm/cma: remove unsupported gfp_mask parameter from cma_alloc()
2018-08-17 16:20:32 -07:00
cma.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
compaction.c
mm: use octal not symbolic permissions
2018-06-15 07:55:25 +09:00
debug_page_ref.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
debug.c
mm: get rid of vmacache_flush_all() entirely
2018-09-13 15:18:04 -10:00
dmapool.c
mm: use octal not symbolic permissions
2018-06-15 07:55:25 +09:00
early_ioremap.c
mm/early_ioremap: Fix boot hang with earlyprintk=efi,keep
2017-12-11 14:54:44 +01:00
fadvise.c
vfs: implement readahead(2) using POSIX_FADV_WILLNEED
2018-08-30 20:01:32 +02:00
failslab.c
mm: use octal not symbolic permissions
2018-06-15 07:55:25 +09:00
filemap.c
vfs: make remap_file_range functions take and return bytes completed
2018-10-30 10:41:49 +11:00
frame_vector.c
mm/frame_vector.c: release a semaphore in 'get_vaddr_frames()'
2017-12-14 16:00:48 -08:00
frontswap.c
mm: use octal not symbolic permissions
2018-06-15 07:55:25 +09:00
gup_benchmark.c
mm/gup_benchmark: fix unsigned comparison to zero in __gup_benchmark_ioctl
2018-10-05 16:32:04 -07:00
gup.c
mm: Change return type int to vm_fault_t for fault handlers
2018-08-23 18:48:44 -07:00
highmem.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
hmm.c
libnvdimm-for-4.19_dax-memory-failure
2018-08-25 18:43:59 -07:00
huge_memory.c
mremap: properly flush TLB before releasing the page
2018-10-18 11:30:52 +02:00
hugetlb_cgroup.c
mm: rename page_counter's count/limit into usage/max
2018-06-07 17:34:35 -07:00
hugetlb.c
hugetlb: take PMD sharing into account when flushing tlb/caches
2018-10-05 16:32:04 -07:00
hwpoison-inject.c
mm/memory_failure: Remove unused trapno from memory_failure
2018-01-23 12:17:42 -06:00
init-mm.c
mm: Allocate the mm_cpumask (mm->cpu_bitmap[]) dynamically based on nr_cpu_ids
2018-07-17 09:35:30 +02:00
internal.h
mm: Change return type int to vm_fault_t for fault handlers
2018-08-23 18:48:44 -07:00
interval_tree.c
mm/interval_tree.c: use vma_pages() helper
2018-01-31 17:18:37 -08:00
Kconfig
mm: disable deferred struct page for 32-bit arches
2018-09-20 22:01:11 +02:00
Kconfig.debug
mm: clarify CONFIG_PAGE_POISONING and usage
2018-08-22 10:52:44 -07:00
khugepaged.c
mm: Change return type int to vm_fault_t for fault handlers
2018-08-23 18:48:44 -07:00
kmemleak-test.c
mm: convert printk(KERN_<LEVEL> to pr_<level>
2016-03-17 15:09:34 -07:00
kmemleak.c
kmemleak: always register debugfs file
2018-09-04 16:45:02 -07:00
ksm.c
include/linux/compiler*.h: make compiler-*.h mutually exclusive
2018-08-22 17:31:34 -07:00
list_lru.c
mm/list_lru: introduce list_lru_shrink_walk_irq()
2018-08-17 16:20:32 -07:00
maccess.c
mm: docs: fix parameter names mismatch
2018-02-06 18:32:48 -08:00
madvise.c
mm: madvise(MADV_DODUMP): allow hugetlbfs pages
2018-10-05 16:32:05 -07:00
Makefile
vfs: implement readahead(2) using POSIX_FADV_WILLNEED
2018-08-30 20:01:32 +02:00
memblock.c
mm/memblock.c: replace u64 with phys_addr_t where appropriate
2018-08-17 16:20:30 -07:00
memcontrol.c
mm: memcontrol: print proper OOM header when no eligible victim left
2018-09-04 16:45:02 -07:00
memfd.c
alloc_file(): switch to passing O_... flags instead of FMODE_... mode
2018-07-12 10:02:57 -04:00
memory_hotplug.c
mm/hugetlb: filter out hugetlb pages if HUGEPAGE migration is not supported.
2018-09-04 16:45:02 -07:00
memory-failure.c
libnvdimm-for-4.19_dax-memory-failure
2018-08-25 18:43:59 -07:00
memory.c
mm/cow: don't bother write protecting already write-protected pages
2018-08-25 13:15:03 -07:00
mempolicy.c
mm: access zone->node via zone_to_nid() and zone_set_nid()
2018-08-22 10:52:45 -07:00
mempool.c
mm/mempool.c: add missing parameter description
2018-08-22 10:52:44 -07:00
memtest.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
migrate.c
Merge branch 'akpm'
2018-10-05 16:33:03 -07:00
mincore.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
mlock.c
dax: remove VM_MIXEDMAP for fsdax and device dax
2018-08-17 16:20:27 -07:00
mm_init.c
mm: access zone->node via zone_to_nid() and zone_set_nid()
2018-08-22 10:52:45 -07:00
mmap.c
mm/mmap.c: don't clobber partially overlapping VMA with MAP_FIXED_NOREPLACE
2018-10-13 09:31:02 +02:00
mmu_context.c
sched/headers: Prepare to move the task_lock()/unlock() APIs to <linux/sched/task.h>
2017-03-02 08:42:38 +01:00
mmu_notifier.c
mm, oom: distinguish blockable mode for mmu notifiers
2018-08-22 10:52:44 -07:00
mmzone.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
mprotect.c
x86/speculation/l1tf: Disallow non privileged high MMIO PROT_NONE mappings
2018-06-20 19:10:01 +02:00
mremap.c
mremap: properly flush TLB before releasing the page
2018-10-18 11:30:52 +02:00
msync.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
nobootmem.c
mm/memblock: add a name for memblock flags enumeration
2018-08-02 12:17:27 -06:00
nommu.c
mm: provide a fallback for PAGE_KERNEL_EXEC for architectures
2018-08-17 16:20:29 -07:00
oom_kill.c
mm, oom: fix missing tlb_finish_mmu() in __oom_reap_task_mm().
2018-09-04 16:45:02 -07:00
page_alloc.c
mm, sched/numa: Remove remaining traces of NUMA rate-limiting
2018-10-09 08:30:51 +02:00
page_counter.c
memcg: introduce memory.min
2018-06-07 17:34:36 -07:00
page_ext.c
mm/page_ext.c: constify lookup_page_ext() argument
2018-08-17 16:20:28 -07:00
page_idle.c
mm: use octal not symbolic permissions
2018-06-15 07:55:25 +09:00
page_io.c
swap,blkcg: issue swap io with the appropriate context
2018-07-09 09:07:54 -06:00
page_isolation.c
mm, migrate: remove reason argument from new_page_t
2018-04-11 10:28:32 -07:00
page_owner.c
mm: use octal not symbolic permissions
2018-06-15 07:55:25 +09:00
page_poison.c
mm/page_poison.c: make early_page_poison_param() __init
2018-04-05 21:36:26 -07:00
page_vma_mapped.c
mm, page_vma_mapped: Introduce pfn_in_hpage()
2018-01-22 12:15:57 -08:00
page-writeback.c
notifier: Remove notifier header file wherever not used
2018-08-30 12:56:40 +02:00
pagewalk.c
mm: kernel-doc: add missing parameter descriptions
2018-04-05 21:36:27 -07:00
percpu-internal.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
percpu-km.c
percpu: allow select gfp to be passed to underlying allocators
2018-02-18 05:33:01 -08:00
percpu-stats.c
treewide: Use array_size() in vmalloc()
2018-06-12 16:19:22 -07:00
percpu-vm.c
percpu: allow select gfp to be passed to underlying allocators
2018-02-18 05:33:01 -08:00
percpu.c
percpu: stop leaking bitmap metadata blocks
2018-10-07 14:50:12 -07:00
pgtable-generic.c
mm: do not lose dirty and accessed bits in pmdp_invalidate()
2018-01-31 17:18:38 -08:00
process_vm_access.c
mm: docs: add blank lines to silence sphinx "Unexpected indentation" errors
2018-02-06 18:32:48 -08:00
quicklist.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
readahead.c
vfs: implement readahead(2) using POSIX_FADV_WILLNEED
2018-08-30 20:01:32 +02:00
rmap.c
mm: migration: fix migration of huge PMD shared pages
2018-10-05 16:32:04 -07:00
rodata_test.c
mm: fix RODATA_TEST failure "rodata_test: test data was not read only"
2017-10-03 17:54:24 -07:00
shmem.c
mm: shmem.c: Correctly annotate new inodes for lockdep
2018-09-20 22:01:11 +02:00
slab_common.c
mm: introduce CONFIG_MEMCG_KMEM as combination of CONFIG_MEMCG && !CONFIG_SLOB
2018-08-17 16:20:30 -07:00
slab.c
treewide: kzalloc() -> kcalloc()
2018-06-12 16:19:22 -07:00
slab.h
mm: introduce CONFIG_MEMCG_KMEM as combination of CONFIG_MEMCG && !CONFIG_SLOB
2018-08-17 16:20:30 -07:00
slob.c
slab: __GFP_ZERO is incompatible with a constructor
2018-06-07 17:34:34 -07:00
slub.c
notifier: Remove notifier header file wherever not used
2018-08-30 12:56:40 +02:00
sparse-vmemmap.c
mm/sparse: delete old sparse_init and enable new one
2018-08-17 16:20:32 -07:00
sparse.c
mm/sparse: delete old sparse_init and enable new one
2018-08-17 16:20:32 -07:00
swap_cgroup.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
swap_slots.c
mm, swap, get_swap_pages: use entry_size instead of cluster in parameter
2018-08-22 10:52:44 -07:00
swap_state.c
treewide: kvzalloc() -> kvcalloc()
2018-06-12 16:19:22 -07:00
swap.c
mm: introduce MEMORY_DEVICE_FS_DAX and CONFIG_DEV_PAGEMAP_OPS
2018-05-22 06:59:39 -07:00
swapfile.c
mm/swapfile.c: put_swap_page: share more between huge/normal code path
2018-08-22 10:52:44 -07:00
truncate.c
page cache: use xa_lock
2018-04-11 10:28:39 -07:00
usercopy.c
usercopy: Allow boot cmdline disabling of hardening
2018-07-04 08:04:52 -07:00
userfaultfd.c
userfaultfd: prevent non-cooperative events vs mcopy_atomic races
2018-06-07 17:34:38 -07:00
util.c
mm/util.c: improve kvfree() kerneldoc
2018-09-04 16:45:02 -07:00
vmacache.c
mm: get rid of vmacache_flush_all() entirely
2018-09-13 15:18:04 -10:00
vmalloc.c
mm: provide a fallback for PAGE_KERNEL_EXEC for architectures
2018-08-17 16:20:29 -07:00
vmpressure.c
mm/vmpressure.c: convert to use match_string() helper
2018-06-07 17:34:36 -07:00
vmscan.c
mm/vmscan.c: fix int overflow in callers of do_shrink_slab()
2018-10-05 16:32:05 -07:00
vmstat.c
mm/vmstat.c: skip NR_TLB_REMOTE_FLUSH* properly
2018-10-05 16:32:05 -07:00
workingset.c
mm/list_lru: introduce list_lru_shrink_walk_irq()
2018-08-17 16:20:32 -07:00
z3fold.c
z3fold: fix reclaim lock-ups
2018-05-11 17:28:45 -07:00
zbud.c
mm: docs: fix parameter names mismatch
2018-02-06 18:32:48 -08:00
zpool.c
mm/zpool.c: zpool_evictable: fix mismatch in parameter name and kernel-doc
2018-02-21 15:35:43 -08:00
zsmalloc.c
mm/zsmalloc.c: make several functions and a struct static
2018-08-17 16:20:30 -07:00
zswap.c
zswap: re-check zswap_is_full() after do zswap_shrink()
2018-07-26 19:38:03 -07:00