linux-kernel - Re: [patch -mmotm] mm: invoke oom killer for __GFP

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Message-ID: <alpine.DEB.2.00.0905111229540.23739@chino.kir.corp.google.com>
Date:	Mon, 11 May 2009 12:32:54 -0700 (PDT)
From:	David Rientjes <rientjes@...gle.com>
To:	Minchan Kim <minchan.kim@...il.com>
cc:	Mel Gorman <mel@....ul.ie>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Nick Piggin <npiggin@...e.de>,
	Christoph Lameter <cl@...ux-foundation.org>,
	Dave Hansen <dave@...ux.vnet.ibm.com>,
	linux-kernel@...r.kernel.org
Subject: Re: [patch -mmotm] mm: invoke oom killer for __GFP_NOFAIL

On Mon, 11 May 2009, Minchan Kim wrote:

> But this patch increases the probability of innocent task killing.
> Is GFP_NOFAIL's early bailout more important than killing of innocent task ?
> 

__GFP_NOFAIL's bailout is, by definition, a bug in the page allocator and 
this patch fixes it.
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