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| author | Daisuke Nishimura <nishimura@mxp.nes.nec.co.jp> | 2009-04-30 15:08:11 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-05-02 15:36:09 -0700 |
| commit | c0bd3f63ce01a1757dbce6373122a05fbf99ced7 (patch) | |
| tree | 4034e701106d1ed819441f4f32a04dfa020398ae /init | |
| parent | 1e50cc9022d6c0b9175d804573e3f401d00d1381 (diff) | |
| download | linux-c0bd3f63ce01a1757dbce6373122a05fbf99ced7.tar.bz2 | |
memcg: fix try_get_mem_cgroup_from_swapcache()
This is a bugfix for commit 3c776e64660028236313f0e54f3a9945764422df
("memcg: charge swapcache to proper memcg").
Used bit of swapcache is solid under page lock, but considering
move_account, pc->mem_cgroup is not.
We need lock_page_cgroup() anyway.
Signed-off-by: Daisuke Nishimura <nishimura@mxp.nes.nec.co.jp>
Acked-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: Balbir Singh <balbir@in.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'init')
0 files changed, 0 insertions, 0 deletions