KAMEZAWA Hiroyuki 073e587ec2 memcg: move charge swapin under lock ...

While page-cache's charge/uncharge is done under page_lock(), swap-cache
isn't.  (anonymous page is charged when it's newly allocated.)

This patch moves do_swap_page()'s charge() call under lock.  I don't see
any bad problem *now* but this fix will be good for future for avoiding
unnecessary racy state.

Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Reviewed-by: Daisuke Nishimura <nishimura@mxp.nes.nec.co.jp>
Acked-by: Balbir Singh <balbir@linux.vnet.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

2008-10-20 08:52:38 -07:00

..

allocpercpu.c

…

backing-dev.c

…

bootmem.c

misc: replace __FUNCTION__ with __func__

2008-10-16 11:21:30 -07:00

bounce.c

…

dmapool.c

…

fadvise.c

Remove Andrew Morton's old email accounts

2008-10-16 11:21:32 -07:00

filemap_xip.c

…

filemap.c

mm: page lock use lock bitops

2008-10-20 08:52:32 -07:00

fremap.c

mmap: handle mlocked pages during map, remap, unmap

2008-10-20 08:52:31 -07:00

highmem.c

…

hugetlb.c

hugepage: support ZERO_PAGE()

2008-10-20 08:52:32 -07:00

internal.h

mlock: count attempts to free mlocked page

2008-10-20 08:52:31 -07:00

Kconfig

Unevictable LRU Infrastructure

2008-10-20 08:50:26 -07:00

maccess.c

…

madvise.c

…

Makefile

…

memcontrol.c

Unevictable LRU Page Statistics

2008-10-20 08:50:26 -07:00

memory_hotplug.c

memory hotplug: release memory regions in PAGES_PER_SECTION chunks

2008-10-20 08:52:32 -07:00

memory.c

memcg: move charge swapin under lock

2008-10-20 08:52:38 -07:00

mempolicy.c

Unevictable LRU Infrastructure

2008-10-20 08:50:26 -07:00

mempool.c

…

migrate.c

mm: extract do_pages_move() out of sys_move_pages()

2008-10-20 08:52:33 -07:00

mincore.c

…

mlock.c

mlock: make mlock error return Posixly Correct

2008-10-20 08:52:31 -07:00

mm_init.c

…

mmap.c

mmap.c: deinline a few functions

2008-10-20 08:52:32 -07:00

mmu_notifier.c

…

mmzone.c

…

mprotect.c

…

mremap.c

mmap: handle mlocked pages during map, remap, unmap

2008-10-20 08:52:31 -07:00

msync.c

…

nommu.c

mlock: mlocked pages are unevictable

2008-10-20 08:52:30 -07:00

oom_kill.c

…

page_alloc.c

setup_per_zone_pages_min(): take zone->lock instead of zone->lru_lock

2008-10-20 08:52:32 -07:00

page_io.c

…

page_isolation.c

…

page-writeback.c

vmscan: split LRU lists into anon & file sets

2008-10-20 08:50:25 -07:00

pagewalk.c

…

pdflush.c

Remove Andrew Morton's old email accounts

2008-10-16 11:21:32 -07:00

prio_tree.c

…

quicklist.c

…

readahead.c

vmscan: split LRU lists into anon & file sets

2008-10-20 08:50:25 -07:00

rmap.c

vmscan: unevictable LRU scan sysctl

2008-10-20 08:52:31 -07:00

shmem_acl.c

…

shmem.c

SHM_LOCKED pages are unevictable

2008-10-20 08:50:26 -07:00

slab.c

…

slob.c

…

slub.c

…

sparse-vmemmap.c

…

sparse.c

…

swap_state.c

mm: pagecache insertion fewer atomics

2008-10-20 08:52:31 -07:00

swap.c

swap: cull unevictable pages in fault path

2008-10-20 08:52:31 -07:00

swapfile.c

mm: page lock use lock bitops

2008-10-20 08:52:32 -07:00

thrash.c

…

tiny-shmem.c

…

truncate.c

mmap: handle mlocked pages during map, remap, unmap

2008-10-20 08:52:31 -07:00

util.c

…

vmalloc.c

mm: rewrite vmap layer

2008-10-20 08:52:32 -07:00

vmscan.c

mm: unlockless reclaim

2008-10-20 08:52:32 -07:00

vmstat.c

mlock: count attempts to free mlocked page

2008-10-20 08:52:31 -07:00