From: Hugh Dickins <hugh@veritas.com>
Date: Sat, 6 Jan 2007 00:37:03 +0000 (-0800)
Subject: [PATCH] fix OOM killing of swapoff
X-Git-Tag: v2.6.20-rc4~9
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=7ba3485947ee7bc89a17f86250fe9b692a615dff;p=pandora-kernel.git

[PATCH] fix OOM killing of swapoff

These days, if you swapoff when there isn't enough memory, OOM killer gives
"BUG: scheduling while atomic" and the machine hangs: badness() needs to do
its PF_SWAPOFF return after the task_unlock (tasklist_lock is also held
here, so p isn't going to be freed: PF_SWAPOFF might get turned off at any
moment, but that doesn't really matter).

Signed-off-by: Hugh Dickins <hugh@veritas.com>
Cc: <stable@kernel.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---

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