]> git.baikalelectronics.ru Git - kernel.git/commit
memcg: fix rmdir, force_empty with THP
authorKAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Thu, 20 Jan 2011 22:44:25 +0000 (14:44 -0800)
committerLinus Torvalds <torvalds@linux-foundation.org>
Fri, 21 Jan 2011 01:02:06 +0000 (17:02 -0800)
commit151106c94d4816f72ad86ba4d31fa03984c44333
tree04138f68481ccd3e8f9447037c3737c568fa3330
parent67a49e47064ec7cffc92177b01110f264b66a062
memcg: fix rmdir, force_empty with THP

Now, when THP is enabled, memcg's rmdir() function is broken because
move_account() for THP page is not supported.

This will cause account leak or -EBUSY issue at rmdir().
This patch fixes the issue by supporting move_account() THP pages.

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>
mm/memcontrol.c