linux-kernel - Re: [PATCH 1/9] oom: don't try to kill oom

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Message-Id: <20100617091325.FB4B.A69D9226@jp.fujitsu.com>
Date:	Thu, 17 Jun 2010 10:51:36 +0900 (JST)
From:	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>
To:	Minchan Kim <minchan.kim@...il.com>
Cc:	kosaki.motohiro@...fujitsu.com,
	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 1/9] oom: don't try to kill oom_unkillable child

> 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@...fujitsu.com>
> Reviewed-by: Minchan Kim <minchan.kim@...il.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. :)

Thank you. removed (2).



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