tree 7e9138fbd0da696f695b45dddd8baa587bd284a4
parent ca3e021417eed30ec2b64ce88eb0acf64aa9bc29
author KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> 1295563464 -0800
committer Linus Torvalds <torvalds@linux-foundation.org> 1295571726 -0800

memcg: fix LRU accounting with THP

memory cgroup's LRU stat should take care of size of pages because
Transparent Hugepage inserts hugepage into LRU.  If this value is the
number wrong, memory reclaim will not work well.

Note: only head page of THP's huge page is linked into LRU.

Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: Daisuke Nishimura <nishimura@mxp.nes.nec.co.jp>
Cc: Balbir Singh <balbir@linux.vnet.ibm.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>