From: Nick Piggin <npiggin@suse.de>
Date: Fri, 29 Sep 2006 09:01:14 +0000 (-0700)
Subject: [PATCH] oom: don't kill current when another OOM in progress
X-Git-Tag: v2.6.19-rc1~695
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b78483a4ba60d5d90930262a533a784e1d9df660;p=pandora-kernel.git

[PATCH] oom: don't kill current when another OOM in progress

A previous patch to allow an exiting task to OOM kill itself (and thereby
avoid a little deadlock) introduced a problem.  We don't want the
PF_EXITING task, even if it is 'current', to access mem reserves if there
is already a TIF_MEMDIE process in the system sucking up reserves.

Also make the commenting a little bit clearer, and note that our current
scheme of effectively single threading the OOM killer is not itself
perfect.

Signed-off-by: Nick Piggin <npiggin@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---

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