linux-kernel - Re: [patch] oom: kill all threads that share mm with killed task

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Message-ID: <Pine.LNX.4.64.0704232258150.14417@chino.kir.corp.google.com>
Date:	Mon, 23 Apr 2007 23:00:10 -0700 (PDT)
From:	David Rientjes <rientjes@...gle.com>
To:	Christoph Lameter <clameter@....com>
cc:	Linus Torvalds <torvalds@...ux-foundation.org>,
	Andi Kleen <ak@...e.de>, linux-kernel@...r.kernel.org
Subject: Re: [patch] oom: kill all threads that share mm with killed task

On Mon, 23 Apr 2007, Christoph Lameter wrote:

> Obvious fix. It was broken by
>  
> http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff;h=f2a2a7108aa0039ba7a5fe7a0d2ecef2219a7584
> Dec 7. So its in 2.6.20 and later. Candiate for stable?
> 

I agree it's obvious enough that it should be included in stable.  
Otherwise the entire iteration becomes a big no-op and it won't alleviate 
the OOM condition in one call to out_of_memory() because there may be 
outstanding tasks with the shared ->mm.

		David
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