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Johannes Weiner bdf4f4d216 mm: memcg: only check anon swapin page charges for swap cache 
shmem knows for sure that the page is in swap cache when attempting to
charge a page, because the cache charge entry function has a check for it.
Only anon pages may be removed from swap cache already when trying to
charge their swapin.

Adjust the comment, though: '4969c11 mm: fix swapin race condition' added
a stable PageSwapCache check under the page lock in the do_swap_page()
before calling the memory controller, so it's unuse_pte()'s pte_same()
that may fail.

Signed-off-by: Johannes Weiner <hannes@cmpxchg.org>
Acked-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Acked-by: Michal Hocko <mhocko@suse.cz>
Cc: David Rientjes <rientjes@google.com>
Cc: Hugh Dickins <hughd@google.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Wanpeng Li <liwp.linux@gmail.com>
Cc: Mel Gorman <mel@csn.ul.ie>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-07-31 18:42:49 -07:00
..
backing-dev.c
mm: prepare for removal of obsolete /proc/sys/vm/nr_pdflush_threads
2012-07-31 18:42:40 -07:00
bootmem.c
bootmem: make ___alloc_bootmem_node_nopanic() really nopanic
2012-07-17 16:21:29 -07:00
bounce.c
bounce: allow use of bounce pool via config option
2012-07-18 16:40:35 -04:00
cleancache.c
->encode_fh() API change
2012-05-29 23:28:33 -04:00
compaction.c
mm: have order > 0 compaction start off where it left
2012-07-31 18:42:43 -07:00
debug-pagealloc.c
mm, x86: Remove debug_pagealloc_enabled
2011-12-06 09:24:07 +01:00
dmapool.c
mm: fix implicit stat.h usage in dmapool.c
2011-10-31 09:20:12 -04:00
fadvise.c
mm, fadvise: don't return -EINVAL when filesystem cannot implement fadvise()
2012-07-31 18:42:42 -07:00
failslab.c
switch debugfs to umode_t
2012-01-03 22:54:56 -05:00
filemap_xip.c
fs: introduce inode operation ->update_time
2012-06-01 12:07:25 -04:00
filemap.c
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2012-06-01 10:34:35 -07:00
fremap.c
mm: delete various needless include <linux/module.h>
2011-10-31 09:20:11 -04:00
frontswap.c
mm/frontswap: cleanup doc and comment error
2012-07-23 11:16:20 -04:00
highmem.c
mm: add support for direct_IO to highmem pages
2012-07-31 18:42:47 -07:00
huge_memory.c
mm/memcg: apply add/del_page to lruvec
2012-05-29 16:22:28 -07:00
hugetlb_cgroup.c
hugetlb/cgroup: remove exclude and wakeup rmdir calls from migrate
2012-07-31 18:42:41 -07:00
hugetlb.c
hugetlb/cgroup: assign the page hugetlb cgroup when we move the page to active list.
2012-07-31 18:42:41 -07:00
hwpoison-inject.c
memcg: rename config variables
2012-07-31 18:42:43 -07:00
init-mm.c
atomic: use <linux/atomic.h>
2011-07-26 16:49:47 -07:00
internal.h
netvm: allow skb allocation to use PFMEMALLOC reserves
2012-07-31 18:42:46 -07:00
Kconfig
mm: factor out memory isolate functions
2012-07-31 18:42:45 -07:00
Kconfig.debug
mm: more intensive memory corruption debugging
2012-01-10 16:30:42 -08:00
kmemcheck.c
…
kmemleak-test.c
kmemleak: remove memset by using kzalloc
2011-01-27 18:31:51 +00:00
kmemleak.c
kmemleak: Disable early logging when kmemleak is off by default
2012-01-20 16:57:05 +00:00
ksm.c
ksm: cleanup: introduce find_mergeable_vma()
2012-03-21 17:54:59 -07:00
maccess.c
mm: Map most files to use export.h instead of module.h
2011-10-31 09:20:12 -04:00
madvise.c
mm: Hold a file reference in madvise_remove
2012-07-06 10:34:38 -07:00
Makefile
mm: factor out memory isolate functions
2012-07-31 18:42:45 -07:00
memblock.c
mm/memblock.c:memblock_double_array(): cosmetic cleanups
2012-07-31 18:42:41 -07:00
memcontrol.c
mm: memcg: only check anon swapin page charges for swap cache
2012-07-31 18:42:49 -07:00
memory_hotplug.c
mm/hotplug: free zone->pageset when a zone becomes empty
2012-07-31 18:42:44 -07:00
memory-failure.c
memcg: rename config variables
2012-07-31 18:42:43 -07:00
memory.c
mm/memory.c:print_vma_addr(): call up_read(&mm->mmap_sem) directly
2012-07-31 18:42:43 -07:00
mempolicy.c
Merge branch 'slab/next' of git://git.kernel.org/pub/scm/linux/kernel/git/penberg/linux
2012-07-30 11:32:24 -07:00
mempool.c
mempool: fix first round failure behavior
2012-01-10 16:30:45 -08:00
migrate.c
mm: memcg: fix compaction/migration failing due to memcg limits
2012-07-31 18:42:48 -07:00
mincore.c
mm: thp: fix pmd_bad() triggering in code paths holding mmap_sem read mode
2012-03-21 17:54:54 -07:00
mlock.c
vm: avoid using find_vma_prev() unnecessarily
2012-03-06 18:23:36 -08:00
mm_init.c
mm: Map most files to use export.h instead of module.h
2011-10-31 09:20:12 -04:00
mmap.c
mm: account the total_vm in the vm_stat_account()
2012-07-31 18:42:39 -07:00
mmu_context.c
mm, counters: remove task argument to sync_mm_rss() and __sync_task_rss_stat()
2012-03-21 17:54:59 -07:00
mmu_notifier.c
mm: Map most files to use export.h instead of module.h
2011-10-31 09:20:12 -04:00
mmzone.c
memcg: rename config variables
2012-07-31 18:42:43 -07:00
mprotect.c
Merge branch 'akpm' (Andrew's patch-bomb)
2012-03-22 09:04:48 -07:00
mremap.c
mm: account the total_vm in the vm_stat_account()
2012-07-31 18:42:39 -07:00
msync.c
…
nobootmem.c
memblock: free allocated memblock_reserved_regions later
2012-07-11 16:04:50 -07:00
nommu.c
nommu: fix compilation of nommu.c
2012-06-04 17:17:31 -04:00
oom_kill.c
mm, memcg: move all oom handling to memcontrol.c
2012-07-31 18:42:45 -07:00
page_alloc.c
mm: throttle direct reclaimers if PF_MEMALLOC reserves are low and swap is backed by network storage
2012-07-31 18:42:46 -07:00
page_cgroup.c
memcg: rename config variables
2012-07-31 18:42:43 -07:00
page_io.c
mm: add support for direct_IO to highmem pages
2012-07-31 18:42:47 -07:00
page_isolation.c
memory-hotplug: fix kswapd looping forever problem
2012-07-31 18:42:45 -07:00
page-writeback.c
writeback: Fix some comment errors
2012-06-09 19:54:47 +08:00
pagewalk.c
mm: fix kernel-doc warnings
2012-06-20 14:39:36 -07:00
percpu-km.c
percpu: clear memory allocated with the km allocator
2010-10-02 10:28:42 +03:00
percpu-vm.c
mm: fix kernel-doc warnings
2012-06-20 14:39:36 -07:00
percpu.c
kmemleak: Fix the kmemleak tracking of the percpu areas with !SMP
2012-05-09 10:13:29 -07:00
pgtable-generic.c
arch/tile: allow building Linux with transparent huge pages enabled
2012-05-25 12:48:21 -04:00
prio_tree.c
sanitize <linux/prefetch.h> usage
2011-05-20 12:50:29 -07:00
process_vm_access.c
aio/vfs: cleanup of rw_copy_check_uvector() and compat_rw_copy_check_uvector()
2012-05-31 17:49:32 -07:00
quicklist.c
mm: delete various needless include <linux/module.h>
2011-10-31 09:20:11 -04:00
readahead.c
mm: move readahead syscall to mm/readahead.c
2012-05-29 16:22:23 -07:00
rmap.c
mm: remove swap token code
2012-05-29 16:22:19 -07:00
shmem.c
don't pass nameidata to ->create()
2012-07-14 16:34:47 +04:00
slab_common.c
mm: Fix build warning in kmem_cache_create()
2012-07-30 13:15:40 +03:00
slab.c
mm: micro-optimise slab to avoid a function call
2012-07-31 18:42:46 -07:00
slab.h
mm, sl[aou]b: Use a common mutex definition
2012-07-09 12:13:41 +03:00
slob.c
slob: Fix early boot kernel crash
2012-07-12 10:13:22 +03:00
slub.c
mm: slub: optimise the SLUB fast path to avoid pfmemalloc checks
2012-07-31 18:42:45 -07:00
sparse-vmemmap.c
mm: delete various needless include <linux/module.h>
2011-10-31 09:20:11 -04:00
sparse.c
mm: setup pageblock_order before it's used by sparsemem
2012-07-31 18:42:43 -07:00
swap_state.c
mm: add support for a filesystem to activate swap files and use direct_IO for writing swap pages
2012-07-31 18:42:47 -07:00
swap.c
mm: add support for direct_IO to highmem pages
2012-07-31 18:42:47 -07:00
swapfile.c
mm: swapfile: clean up unuse_pte race handling
2012-07-31 18:42:48 -07:00
truncate.c
mm/fs: remove truncate_range
2012-05-29 16:22:23 -07:00
util.c
new helper: vm_mmap_pgoff()
2012-06-01 10:37:18 -04:00
vmalloc.c
mm: make vb_alloc() more foolproof
2012-07-31 18:42:39 -07:00
vmscan.c
mm: account for the number of times direct reclaimers get throttled
2012-07-31 18:42:46 -07:00
vmstat.c
mm: account for the number of times direct reclaimers get throttled
2012-07-31 18:42:46 -07:00