linux-kernel - Re: [PATCH -mm 1/4] oom: select_bad_process: check PF

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Message-ID: <alpine.DEB.2.00.1004021205380.1773@chino.kir.corp.google.com>
Date:	Fri, 2 Apr 2010 12:05:56 -0700 (PDT)
From:	David Rientjes <rientjes@...gle.com>
To:	Oleg Nesterov <oleg@...hat.com>
cc:	Andrew Morton <akpm@...ux-foundation.org>,
	anfei <anfei.zhou@...il.com>,
	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>,
	nishimura@....nes.nec.co.jp,
	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>,
	Mel Gorman <mel@....ul.ie>, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH -mm 1/4] oom: select_bad_process: check PF_KTHREAD instead
 of !mm to skip kthreads

On Fri, 2 Apr 2010, Oleg Nesterov wrote:

> select_bad_process() thinks a kernel thread can't have ->mm != NULL,
> this is not true due to use_mm().
> 
> Change the code to check PF_KTHREAD.
> 
> Signed-off-by: Oleg Nesterov <oleg@...hat.com>

Acked-by: David Rientjes <rientjes@...gle.com>
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