linux-kernel - Re: [PATCH 02/11] oom: oom_kill_process() doesn't select kthread child

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Message-ID: <20100630135503.GA15644@barrios-desktop>
Date:	Wed, 30 Jun 2010 22:55:03 +0900
From:	Minchan Kim <minchan.kim@...il.com>
To:	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>
Cc:	LKML <linux-kernel@...r.kernel.org>, linux-mm <linux-mm@...ck.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	David Rientjes <rientjes@...gle.com>,
	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>
Subject: Re: [PATCH 02/11] oom: oom_kill_process() doesn't select kthread
 child

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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