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Date: Wed, 30 Jun 2010 23:30:13 +0900
From: Minchan Kim <minchan.kim@gmail.com>
Subject: Re: [PATCH 09/11] oom: remove child->mm check from
 oom_kill_process()
Message-ID: <20100630143013.GG15644@barrios-desktop>
References: <20100630172430.AA42.A69D9226@jp.fujitsu.com>
 <20100630183209.AA62.A69D9226@jp.fujitsu.com>
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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>, Andrea Arcangeli <aarcange@redhat.com>
List-ID: <linux-mm.kvack.org>

On Wed, Jun 30, 2010 at 06:32:44PM +0900, KOSAKI Motohiro wrote:
> 
> Current "child->mm == p->mm" mean prevent to select vfork() task.
> But we don't have any reason to don't consider vfork().

I guess "child->mm == p->mm" is for losing the minimal amount of work done
as comment say. But frankly speaking, I don't understand it, either.
Maybe "One shot, two kill" problem?

Andrea. Could you explain it?

-- 
Kind regards,
Minchan Kim

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