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authorLai Jiangshan <laijs@cn.fujitsu.com>2009-01-07 18:08:07 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2009-01-08 08:31:06 -0800
commit2e4d40915fb85207fe48cfc31201824ec6d7426e (patch)
tree60f4a8ce1278a861ff530885353da74d1cf0bdb4 /mm/oom_kill.c
parent18f59ea7de08db2449ba99185e8d8cc30e7acac5 (diff)
downloadlinux-2e4d40915fb85207fe48cfc31201824ec6d7426e.tar.bz2
memcontrol: rcu_read_lock() to protect mm_match_cgroup()
mm_match_cgroup() calls cgroup_subsys_state(). We must use rcu_read_lock() to protect cgroup_subsys_state(). Signed-off-by: Lai Jiangshan <laijs@cn.fujitsu.com> Cc: Paul Menage <menage@google.com> Reviewed-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Cc: Pavel Emelyanov <xemul@openvz.org> 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>
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