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Date: Wed, 16 Jun 2010 23:41:27 +0900
From: Minchan Kim <minchan.kim@gmail.com>
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>
Subject: Re: [PATCH 1/9] oom: don't try to kill oom_unkillable child
Message-ID: <20100616144127.GA9278@barrios-desktop>
References: <20100616201948.72D7.A69D9226@jp.fujitsu.com>
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On Wed, Jun 16, 2010 at 08:29:13PM +0900, KOSAKI Motohiro wrote:
> Now, badness() doesn't care neigher CPUSET nor mempolicy. Then
> if the victim child process have disjoint nodemask, __out_of_memory()
> can makes kernel hang eventually.
> 
> This patch fixes it.
> 
> Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Reviewed-by: Minchan Kim <minchan.kim@gmail.com>

This patch inclues two things. 

1. consider cpuset and mempolicy in oom_kill_process
2. Simplify mempolicy oom check with nodemask != NULL 
   in select_bad_process.

1) change behavior but 2) is just cleanup. 
It should have been in another patch to reivew easily. :)

-- 
Kind regards,
Minchan Kim
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