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Message-ID: <20070315134921.GD18033@in.ibm.com>
Date: Thu, 15 Mar 2007 19:19:21 +0530
From: ankita@...ibm.com (Ankita Garg)
To: Linux Memory Management <linux-mm@...ck.org>
Cc: LKML <linux-kernel@...r.kernel.org>, Nick Piggin <npiggin@...e.de>,
Andrew Morton <akpm@...l.org>
Subject: [PATCH] oom fix: prevent oom from killing a process with children/sibling unkillable
Looking at oom_kill.c, found that the intention to not kill the selected
process if any of its children/siblings has OOM_DISABLE set, is not being met.
Signed-off-by: Ankita Garg <ankita@...ibm.com>
Index: ankita/linux-2.6.20.1/mm/oom_kill.c
===================================================================
--- ankita.orig/linux-2.6.20.1/mm/oom_kill.c 2007-02-20 12:04:32.000000000 +0530
+++ ankita/linux-2.6.20.1/mm/oom_kill.c 2007-03-15 12:44:50.000000000 +0530
@@ -320,7 +320,7 @@
* Don't kill the process if any threads are set to OOM_DISABLE
*/
do_each_thread(g, q) {
- if (q->mm == mm && p->oomkilladj == OOM_DISABLE)
+ if (q->mm == mm && q->oomkilladj == OOM_DISABLE)
return 1;
} while_each_thread(g, q);
Regards,
--
Ankita Garg (ankita@...ibm.com)
Linux Technology Center
IBM India Systems & Technology Labs,
Bangalore, India
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