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Naoya Horiguchi b3b3a99c53 mm/migrate: check-before-clear PageSwapCache 
With the page flag sanitization patchset, an invalid usage of
ClearPageSwapCache() is detected in migration_page_copy().
migrate_page_copy() is shared by both normal and hugepage (both thp and
hugetlb) code path, so let's check PageSwapCache() and clear it if it's
set to avoid misuse of the invalid clear operation.

Signed-off-by: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>
Acked-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2015-04-15 16:35:17 -07:00
..
kasan
kasan, module, vmalloc: rework shadow allocation for modules
2015-03-12 18:46:08 -07:00
backing-dev.c
Merge branch 'lazytime' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2015-02-17 16:12:34 -08:00
balloon_compaction.c
mm/balloon_compaction: fix deflation when compaction is disabled
2014-10-29 16:33:15 -07:00
bootmem.c
mem-hotplug: reset node managed pages when hot-adding a new pgdat
2014-11-13 16:17:06 -08:00
cleancache.c
cleancache: remove limit on the number of cleancache enabled filesystems
2015-04-14 16:49:03 -07:00
cma_debug.c
mm-cma-allocation-trigger-fix
2015-04-14 16:49:00 -07:00
cma.c
mm: cma: constify and use correct signness in mm/cma.c
2015-04-14 16:49:04 -07:00
cma.h
mm: cma: allocation trigger
2015-04-14 16:49:00 -07:00
compaction.c
mm/compaction: enhance compaction finish condition
2015-04-14 16:49:01 -07:00
debug-pagealloc.c
mm/debug-pagealloc: make debug-pagealloc boottime configurable
2014-12-13 12:42:48 -08:00
debug.c
mm: account pmd page tables to the process
2015-02-11 17:06:04 -08:00
dmapool.c
mm/dmapool.c: fixed a brace coding style issue
2014-10-09 22:26:00 -04:00
early_ioremap.c
mm: create generic early_ioremap() support
2014-04-07 16:36:15 -07:00
fadvise.c
vfs: remove get_xip_mem
2015-02-16 17:56:03 -08:00
failslab.c
switch debugfs to umode_t
2012-01-03 22:54:56 -05:00
filemap.c
Merge branch 'akpm' (patches from Andrew)
2015-04-14 16:49:17 -07:00
frontswap.c
mm/frontswap.c: fix the condition in BUG_ON
2014-12-10 17:41:08 -08:00
gup.c
mm: move mm_populate()-related code to mm/gup.c
2015-04-14 16:49:00 -07:00
highmem.c
mm/highmem: make kmap cache coloring aware
2014-08-06 18:01:22 -07:00
huge_memory.c
mm, thp: really limit transparent hugepage allocation to local node
2015-04-14 16:49:03 -07:00
hugetlb_cgroup.c
mm: page_counter: pull "-1" handling out of page_counter_memparse()
2015-02-11 17:06:02 -08:00
hugetlb.c
mm, hugetlb: abort __get_user_pages if current has been oom killed
2015-04-14 16:49:06 -07:00
hwpoison-inject.c
mm/hwpoison-inject.c: remove unnecessary null test before debugfs_remove_recursive
2014-08-06 18:01:19 -07:00
init-mm.c
atomic: use <linux/atomic.h>
2011-07-26 16:49:47 -07:00
internal.h
mm/compaction: enhance compaction finish condition
2015-04-14 16:49:01 -07:00
interval_tree.c
mm: replace vma->sharead.linear with vma->shared
2015-02-10 14:30:31 -08:00
Kconfig
mm: cma: debugfs interface
2015-04-14 16:49:00 -07:00
Kconfig.debug
mm/debug_pagealloc: remove obsolete Kconfig options
2015-01-08 15:10:52 -08:00
kmemcheck.c
mm/slab_common: move kmem_cache definition to internal header
2014-10-09 22:25:50 -04:00
kmemleak-test.c
mm/kmemleak-test.c: use pr_fmt for logging
2014-06-06 16:08:18 -07:00
kmemleak.c
kmemleak: disable kasan instrumentation for kmemleak
2015-02-13 21:21:41 -08:00
ksm.c
mm: remove rest usage of VM_NONLINEAR and pte_file()
2015-02-10 14:30:31 -08:00
list_lru.c
memcg: reparent list_lrus and free kmemcg_id on css offline
2015-02-12 18:54:10 -08:00
maccess.c
mm: Map most files to use export.h instead of module.h
2011-10-31 09:20:12 -04:00
madvise.c
vfs: remove get_xip_mem
2015-02-16 17:56:03 -08:00
Makefile
mm: move memtest under mm
2015-04-14 16:49:06 -07:00
memblock.c
mm/memblock.c: rename local variable of memblock_type to `type'
2015-04-14 16:49:00 -07:00
memcontrol.c
memcg: remove obsolete comment
2015-04-15 16:35:16 -07:00
memory_hotplug.c
mm, hotplug: fix concurrent memory hot-add deadlock
2015-04-14 16:49:00 -07:00
memory-failure.c
mm/memory-failure.c: define page types for action_result() in one place
2015-04-15 16:35:16 -07:00
memory.c
mm: refactor do_wp_page handling of shared vma into a function
2015-04-14 16:49:03 -07:00
mempolicy.c
mm, thp: really limit transparent hugepage allocation to local node
2015-04-14 16:49:03 -07:00
mempool.c
mm, mempool: do not allow atomic resizing
2015-04-14 16:49:06 -07:00
memtest.c
memtest: use phys_addr_t for physical addresses
2015-04-14 16:49:06 -07:00
migrate.c
mm/migrate: check-before-clear PageSwapCache
2015-04-15 16:35:17 -07:00
mincore.c
mincore: apply page table walker on do_mincore()
2015-02-11 17:06:06 -08:00
mlock.c
mm: move mm_populate()-related code to mm/gup.c
2015-04-14 16:49:00 -07:00
mm_init.c
mm/mm_init.c: mark mminit_loglevel __meminitdata
2015-02-12 18:54:11 -08:00
mmap.c
mm: rename __mlock_vma_pages_range() to populate_vma_page_range()
2015-04-14 16:49:00 -07:00
mmu_context.c
sched/mm: call finish_arch_post_lock_switch in idle_task_exit and use_mm
2014-02-21 08:50:17 +01:00
mmu_notifier.c
mmu_notifier: add the callback for mmu_notifier_invalidate_range()
2014-11-13 13:46:09 +11:00
mmzone.c
mm: microoptimize zonelist operations
2015-02-11 17:06:02 -08:00
mprotect.c
mm: numa: preserve PTE write permissions across a NUMA hinting fault
2015-03-25 16:20:31 -07:00
mremap.c
fix mremap() vs. ioctx_kill() race
2015-04-06 17:50:59 -04:00
msync.c
mm: remove rest usage of VM_NONLINEAR and pte_file()
2015-02-10 14:30:31 -08:00
nobootmem.c
mem-hotplug: reset node managed pages when hot-adding a new pgdat
2014-11-13 16:17:06 -08:00
nommu.c
mm/nommu.c: export symbol max_mapnr
2015-03-12 18:46:08 -07:00
oom_kill.c
mm/oom_kill.c: fix typo in comment
2015-04-15 16:35:16 -07:00
page_alloc.c
mm/page_alloc.c: clean up comment
2015-04-14 16:49:04 -07:00
page_counter.c
mm: page_counter: pull "-1" handling out of page_counter_memparse()
2015-02-11 17:06:02 -08:00
page_ext.c
mm/page_owner: keep track of page owners
2014-12-13 12:42:48 -08:00
page_io.c
fs: move struct kiocb to fs.h
2015-03-25 20:28:11 -04:00
page_isolation.c
mm/page_alloc.c: call kernel_map_pages in unset_migrateype_isolate
2015-03-25 16:20:30 -07:00
page_owner.c
mm/page_owner.c: remove unnecessary stack_trace field
2015-02-11 17:06:07 -08:00
page-writeback.c
page_writeback: clean up mess around cancel_dirty_page()
2015-04-14 16:49:01 -07:00
pagewalk.c
mm/pagewalk.c: prevent positive return value of walk_page_test() from being passed to callers
2015-03-25 16:20:30 -07:00
percpu-km.c
percpu: implmeent pcpu_nr_empty_pop_pages and chunk->nr_populated
2014-09-02 14:46:05 -04:00
percpu-vm.c
percpu: move region iterations out of pcpu_[de]populate_chunk()
2014-09-02 14:46:02 -04:00
percpu.c
percpu: Fix trivial typos in comments
2015-03-24 13:41:54 -04:00
pgtable-generic.c
mm: convert p[te|md]_mknonnuma and remaining page table manipulations
2015-02-12 18:54:08 -08:00
process_vm_access.c
process_vm_access: switch to {compat_,}import_iovec()
2015-04-11 22:27:12 -04:00
quicklist.c
mm: delete various needless include <linux/module.h>
2011-10-31 09:20:11 -04:00
readahead.c
fs: export inode_to_bdi and use it in favor of mapping->backing_dev_info
2015-01-20 14:03:04 -07:00
rmap.c
mm: fix anon_vma->degree underflow in anon_vma endless growing prevention
2015-03-25 16:20:30 -07:00
shmem.c
Merge branch 'iocb' into for-next
2015-04-11 22:24:41 -04:00
slab_common.c
mm: slub: add kernel address sanitizer support for slub allocator
2015-02-13 21:21:41 -08:00
slab.c
mm: remove GFP_THISNODE
2015-04-14 16:49:03 -07:00
slab.h
slub: make dead caches discard free slabs immediately
2015-02-12 18:54:10 -08:00
slob.c
slob: make slob_alloc_node() static and remove EXPORT_SYMBOL()
2015-04-14 16:48:59 -07:00
slub.c
slub: use bool function return values of true/false not 1/0
2015-04-14 16:48:59 -07:00
sparse-vmemmap.c
mm/sparse: use memblock apis for early memory allocations
2014-01-21 16:19:47 -08:00
sparse.c
mm: use macros from compiler.h instead of __attribute__((...))
2014-04-07 16:35:54 -07:00
swap_cgroup.c
mm: page_cgroup: rename file to mm/swap_cgroup.c
2014-12-10 17:41:09 -08:00
swap_state.c
fs: remove mapping->backing_dev_info
2015-01-20 14:03:05 -07:00
swap.c
Merge branch 'for-3.20/bdi' of git://git.kernel.dk/linux-block
2015-02-12 13:50:21 -08:00
swapfile.c
mm: page_cgroup: rename file to mm/swap_cgroup.c
2014-12-10 17:41:09 -08:00
truncate.c
page_writeback: clean up mess around cancel_dirty_page()
2015-04-14 16:49:01 -07:00
util.c
mm/util: add kstrdup_const
2015-02-13 21:21:35 -08:00
vmacache.c
mm,vmacache: count number of system-wide flushes
2014-12-13 12:42:48 -08:00
vmalloc.c
mm: change vunmap to tear down huge KVA mappings
2015-04-14 16:49:04 -07:00
vmpressure.c
mm/vmpressure.c: fix race in vmpressure_work_fn()
2014-12-02 17:32:07 -08:00
vmscan.c
Merge branch 'akpm' (patches from Andrew)
2015-02-12 18:54:28 -08:00
vmstat.c
vmstat: Reduce time interval to stat update on idle cpu
2015-02-11 17:06:07 -08:00
workingset.c
list_lru: add helpers to isolate items
2015-02-12 18:54:10 -08:00
zbud.c
mm/zpool: add name argument to create zpool
2015-02-12 18:54:12 -08:00
zpool.c
mm/zpool: add name argument to create zpool
2015-02-12 18:54:12 -08:00
zsmalloc.c
mm/zsmalloc: add statistics support
2015-02-12 18:54:12 -08:00
zswap.c
mm/zpool: add name argument to create zpool
2015-02-12 18:54:12 -08:00