linux-kernel - Re: [PATCH 07/12] oom: Fix child process iteration properly

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Message-Id: <20100603153318.ebf7972c.kamezawa.hiroyu@jp.fujitsu.com>
Date:	Thu, 3 Jun 2010 15:33:18 +0900
From:	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>
To:	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>
Cc:	"Luis Claudio R. Goncalves" <lclaudio@...g.org>,
	LKML <linux-kernel@...r.kernel.org>,
	linux-mm <linux-mm@...ck.org>, Oleg Nesterov <oleg@...hat.com>,
	David Rientjes <rientjes@...gle.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Nick Piggin <npiggin@...e.de>
Subject: Re: [PATCH 07/12] oom: Fix child process iteration properly

On Thu,  3 Jun 2010 15:23:50 +0900 (JST)
KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com> wrote:

> Oleg pointed out that current oom child process iterating logic is wrong.
> 
>   > list_for_each_entry(p->children) can only see the tasks forked
>   > by p, it can't see other children forked by its sub-threads.
> 
> This patch fixes it.
> 
> Reported-by: Oleg Nesterov <oleg@...hat.com>
> Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>
Reviewed-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>


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