| commit | 987eba66e0e6aa654d60881a14731a353ee0acb4 | |
| author | KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> | |
| Thu, 20 Jan 2011 22:44:25 +0000 (20 14:44 -0800) | ||
| committer | Linus Torvalds <torvalds@linux-foundation.org> | |
| Fri, 21 Jan 2011 01:02:06 +0000 (20 17:02 -0800) | ||
| tree | 04138f68481ccd3e8f9447037c3737c568fa3330 | treesnapshot (tar.gz zip) |
| parent | ece35ca810326946ddc930c43356312ad5de44d4 | commitdiff |
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>
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 | diffblobblamehistory |