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[PATCH] oom-kill: mm locking fix
authorAndrew Morton <akpm@osdl.org>
Wed, 19 Apr 2006 05:20:38 +0000 (22:20 -0700)
committerLinus Torvalds <torvalds@g5.osdl.org>
Wed, 19 Apr 2006 16:13:49 +0000 (09:13 -0700)
commit97c2c9b84d0c1edf4926b13661d5af3f0edccbce
treebc986808cd7b5a8219a0c40ca9fdfc40524883e4tree | snapshot
parent75129e297e861e6c61038aa4cdbf604b022de4ffcommit | diff
[PATCH] oom-kill: mm locking fix

Dave Peterson <dsp@llnl.gov> points out that badness() is playing with
mm_structs without taking a reference on them.

mmput() can sleep, so taking a reference here (inside tasklist_lock) is
hard.  Fix it up via task_lock() instead.

Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
mm/oom_kill.c diff | blob | history
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