From: Andrew Morton <akpm@osdl.org>
Date: Wed, 19 Apr 2006 05:20:38 +0000 (-0700)
Subject: [PATCH] oom-kill: mm locking fix
X-Git-Tag: v2.6.17-rc3~120
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=97c2c9b84d0c1edf4926b13661d5af3f0edccbce;p=pandora-kernel.git

[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>
---

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