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Naoya Horiguchi e6ca7b89dc memcg: fix mapcount check in move charge code for anonymous page 
Currently the charge on shared anonyous pages is supposed not to moved in
task migration.  To implement this, we need to check that mapcount > 1,
instread of > 2.  So this patch fixes it.

Signed-off-by: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>
Reviewed-by: Daisuke Nishimura <nishimura@mxp.nes.nec.co.jp>
Cc: Andrea Arcangeli <aarcange@redhat.com>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: Hillf Danton <dhillf@gmail.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-03-05 15:49:43 -08:00
..
backing-dev.c
backing-dev: fix wakeup timer races with bdi_unregister()
2012-02-01 16:52:49 +08:00
bootmem.c
mm: bootmem: try harder to free pages in bulk
2012-01-10 16:30:45 -08:00
bounce.c
Merge branch 'modsplit-Oct31_2011' of git://git.kernel.org/pub/scm/linux/kernel/git/paulg/linux
2011-11-06 19:44:47 -08:00
cleancache.c
mm: cleancache core ops functions and config
2011-05-26 10:01:36 -06:00
compaction.c
mm: compaction: check for overlapping nodes during isolation for migration
2012-02-08 19:03:51 -08:00
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
fadvise: only initiate writeback for specified range with FADV_DONTNEED
2012-01-10 16:30:43 -08:00
failslab.c
switch debugfs to umode_t
2012-01-03 22:54:56 -05:00
filemap_xip.c
mm/filemap_xip.c: fix race condition in xip_file_fault()
2012-02-03 16:16:41 -08:00
filemap.c
readahead: fix pipeline break caused by block plug
2012-02-03 16:16:41 -08:00
fremap.c
mm: delete various needless include <linux/module.h>
2011-10-31 09:20:11 -04:00
highmem.c
Merge branch 'modsplit-Oct31_2011' of git://git.kernel.org/pub/scm/linux/kernel/git/paulg/linux
2011-11-06 19:44:47 -08:00
huge_memory.c
mm: thp: fix BUG on mm->nr_ptes
2012-03-05 15:49:43 -08:00
hugetlb.c
mm/hugetlb.c: undo change to page mapcount in fault handler
2012-01-23 08:38:48 -08:00
hwpoison-inject.c
Fix common misspellings
2011-03-31 11:26:23 -03:00
init-mm.c
atomic: use <linux/atomic.h>
2011-07-26 16:49:47 -07:00
internal.h
mm: thp: tail page refcounting fix
2011-11-02 16:06:57 -07:00
Kconfig
Merge branch 'master' into x86/memblock
2011-11-28 09:46:22 -08:00
Kconfig.debug
mm: more intensive memory corruption debugging
2012-01-10 16:30:42 -08:00
kmemcheck.c
kmemcheck: Fix build errors due to missing slab.h
2010-03-30 22:02:32 +09:00
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
memcg: fix GPF when cgroup removal races with last exit
2012-03-05 15:49:43 -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
fs: kill i_alloc_sem
2011-07-20 20:47:46 -04:00
Makefile
Cross Memory Attach
2011-10-31 17:30:44 -07:00
memblock.c
memblock: Fix size aligning of memblock_alloc_base_nid()
2012-03-01 10:53:18 +01:00
memcontrol.c
memcg: fix mapcount check in move charge code for anonymous page
2012-03-05 15:49:43 -08:00
memory_hotplug.c
mm: compaction: introduce sync-light migration for use by compaction
2012-01-12 20:13:09 -08:00
memory-failure.c
mm: compaction: introduce sync-light migration for use by compaction
2012-01-12 20:13:09 -08:00
memory.c
mm: fix rss count leakage during migration
2012-01-23 08:38:49 -08:00
mempolicy.c
mm: compaction: introduce sync-light migration for use by compaction
2012-01-12 20:13:09 -08:00
mempool.c
mempool: fix first round failure behavior
2012-01-10 16:30:45 -08:00
migrate.c
memcg: fix GPF when cgroup removal races with last exit
2012-03-05 15:49:43 -08:00
mincore.c
mm: clarify the radix_tree exceptional cases
2011-08-03 14:25:24 -10:00
mlock.c
Merge branch 'modsplit-Oct31_2011' of git://git.kernel.org/pub/scm/linux/kernel/git/paulg/linux
2011-11-06 19:44:47 -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: simplify find_vma_prev()
2012-01-10 16:30:44 -08:00
mmu_context.c
mm: Map most files to use export.h instead of module.h
2011-10-31 09:20:12 -04:00
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
mm: delete various needless include <linux/module.h>
2011-10-31 09:20:11 -04:00
mprotect.c
thp: mprotect: transparent huge page support
2011-01-13 17:32:44 -08:00
mremap.c
mremap: enforce rmap src/dst vma ordering in case of vma_merge() succeeding in copy_vma()
2012-01-10 16:30:44 -08:00
msync.c
sanitize vfs_fsync calling conventions
2010-05-21 18:31:21 -04:00
nobootmem.c
Merge branch 'master' into x86/memblock
2011-11-28 09:46:22 -08:00
nommu.c
NOMMU: Don't need to clear vm_mm when deleting a VMA
2012-02-24 08:59:04 -08:00
oom_kill.c
mm: unify remaining mem_cont, mem, etc. variable names to memcg
2012-01-12 20:13:06 -08:00
page_alloc.c
vfs: fix panic in __d_lookup() with high dentry hashtable counts
2012-02-13 20:45:38 -05:00
page_cgroup.c
page_cgroup: drop multi CONFIG_MEMORY_HOTPLUG
2012-01-12 20:13:08 -08:00
page_io.c
block: kill off REQ_UNPLUG
2011-03-10 08:52:27 +01:00
page_isolation.c
mm: page_isolation: codeclean fix comment and rm unneeded val init
2010-10-26 16:52:11 -07:00
page-writeback.c
Merge branch 'writeback-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/wfg/linux
2012-01-10 16:59:59 -08:00
pagewalk.c
pagewalk: fix code comment for THP
2011-07-25 20:57:09 -07:00
percpu-km.c
percpu: clear memory allocated with the km allocator
2010-10-02 10:28:42 +03:00
percpu-vm.c
percpu: fix chunk range calculation
2011-11-22 08:09:46 -08:00
percpu.c
Kmemleak patches
2012-01-14 18:11:11 -08:00
pgtable-generic.c
mm/pgtable-generic.c: fix CONFIG_SWAP=n build
2011-01-26 10:49:58 +10:00
prio_tree.c
sanitize <linux/prefetch.h> usage
2011-05-20 12:50:29 -07:00
process_vm_access.c
Fix race in process_vm_rw_core
2012-02-02 12:55:17 -08:00
quicklist.c
mm: delete various needless include <linux/module.h>
2011-10-31 09:20:11 -04:00
readahead.c
mm: Map most files to use export.h instead of module.h
2011-10-31 09:20:12 -04:00
rmap.c
mm: unify remaining mem_cont, mem, etc. variable names to memcg
2012-01-12 20:13:06 -08:00
shmem.c
SHM_UNLOCK: fix Unevictable pages stranded after swap
2012-01-23 08:38:48 -08:00
slab.c
Merge branch 'slab/for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/penberg/linux
2012-01-11 18:52:23 -08:00
slob.c
mm: Map most files to use export.h instead of module.h
2011-10-31 09:20:12 -04:00
slub.c
mm,x86,um: move CMPXCHG_DOUBLE config option
2012-01-12 20:13:03 -08:00
sparse-vmemmap.c
mm: delete various needless include <linux/module.h>
2011-10-31 09:20:11 -04:00
sparse.c
mm: Map most files to use export.h instead of module.h
2011-10-31 09:20:12 -04:00
swap_state.c
memcg: fix GPF when cgroup removal races with last exit
2012-03-05 15:49:43 -08:00
swap.c
memcg: fix GPF when cgroup removal races with last exit
2012-03-05 15:49:43 -08:00
swapfile.c
mm: unify remaining mem_cont, mem, etc. variable names to memcg
2012-01-12 20:13:06 -08:00
thrash.c
mm/thrash.c: quiet sparse noise
2011-10-31 17:30:50 -07:00
truncate.c
mm: Map most files to use export.h instead of module.h
2011-10-31 09:20:12 -04:00
util.c
mm: Map most files to use export.h instead of module.h
2011-10-31 09:20:12 -04:00
vmalloc.c
mm/vmalloc.c: eliminate extra loop in pcpu_get_vm_areas error path
2012-01-12 20:13:10 -08:00
vmscan.c
SHM_UNLOCK: fix Unevictable pages stranded after swap
2012-01-23 08:38:48 -08:00
vmstat.c
mm,x86,um: move CMPXCHG_LOCAL config option
2012-01-12 20:13:03 -08:00