Re: [PATCH 08/12] oom: dump_tasks() use find_lock_task_mm() too

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To: KOSAKI Motohiro <kosaki.motohiro@xxxxxxxxxxxxxx>
Subject: Re: [PATCH 08/12] oom: dump_tasks() use find_lock_task_mm() too
From: Oleg Nesterov <oleg@xxxxxxxxxx>
Date: Thu, 3 Jun 2010 17:26:52 +0200
Cc: "Luis Claudio R. Goncalves" <lclaudio@xxxxxxxx>, LKML <linux-kernel@xxxxxxxxxxxxxxx>, linux-mm <linux-mm@xxxxxxxxx>, David Rientjes <rientjes@xxxxxxxxxx>, Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>, KAMEZAWA Hiroyuki <kamezawa.hiroyu@xxxxxxxxxxxxxx>, Nick Piggin <npiggin@xxxxxxx>
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User-agent: Mutt/1.5.18 (2008-05-17)

(off-topic)

out_of_memory() calls dump_header()->dump_tasks() lockless, we
need tasklist.

Oleg.

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Follow-Ups:
- [PATCH 13/12] oom: dump_header() need tasklist_lock
  - From: KOSAKI Motohiro
- Re: [PATCH 08/12] oom: dump_tasks() use find_lock_task_mm() too
  - From: David Rientjes

References:
- [mmotm 0521][PATCH 0/12] various OOM fixes for 2.6.35
  - From: KOSAKI Motohiro
- [PATCH 08/12] oom: dump_tasks() use find_lock_task_mm() too
  - From: KOSAKI Motohiro

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