tree bc986808cd7b5a8219a0c40ca9fdfc40524883e4
parent 75129e297e861e6c61038aa4cdbf604b022de4ff
author Andrew Morton <akpm@osdl.org> 1145424038 -0700
committer Linus Torvalds <torvalds@g5.osdl.org> 1145463229 -0700

[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>