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Date: Wed, 30 Jun 2010 22:55:03 +0900
From: Minchan Kim <minchan.kim@gmail.com>
Subject: Re: [PATCH 02/11] oom: oom_kill_process() doesn't select kthread
 child
Message-ID: <20100630135503.GA15644@barrios-desktop>
References: <20100630172430.AA42.A69D9226@jp.fujitsu.com>
 <20100630182715.AA4B.A69D9226@jp.fujitsu.com>
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In-Reply-To: <20100630182715.AA4B.A69D9226@jp.fujitsu.com>
Sender: owner-linux-mm@kvack.org
To: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Cc: LKML <linux-kernel@vger.kernel.org>, linux-mm <linux-mm@kvack.org>, Andrew Morton <akpm@linux-foundation.org>, David Rientjes <rientjes@google.com>, KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
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On Wed, Jun 30, 2010 at 06:27:52PM +0900, KOSAKI Motohiro wrote:
> Now, select_bad_process() have PF_KTHREAD check, but oom_kill_process
> doesn't. It mean oom_kill_process() may choose wrong task, especially,
> when the child are using use_mm().

Is it possible child is kthread even though parent isn't kthread?

-- 
Kind regards,
Minchan Kim

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