From mboxrd@z Thu Jan  1 00:00:00 1970
From: Mel Gorman <mel-wPRd99KPJ+uzQB+pC5nmwQ@public.gmane.org>
Subject: Re: [PATCH 0/5] Candidate fix for increased number of GFP_ATOMIC
	failures V2
Date: Tue, 27 Oct 2009 10:40:17 +0000
Message-ID: <20091027104017.GC8900@csn.ul.ie>
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Cc: Frans Pop <elendil-EIBgga6/0yRmR6Xm/wNWPw@public.gmane.org>, Jiri Kosina <jkosina-AlSwsSmVLrQ@public.gmane.org>,
	Sven Geggus <lists-+AJD3D7QEjjt/htJsj1pd9AswbaBtrod@public.gmane.org>,
	Karol Lewandowski <karol.k.lewandowski-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
	Tobias Oetiker <tobi-7K0TWYW2a3pyDzI6CaY1VQ@public.gmane.org>,
	"Rafael J. Wysocki" <rjw-KKrjLPT3xs0@public.gmane.org>,
	David Miller <davem-fT/PcQaiUtIeIZ0/mPfg9Q@public.gmane.org>,
	Kalle Valo <kalle.valo-X3B1VOXEql0@public.gmane.org>,
	David Rientjes <rientjes-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>,
	KOSAKI Motohiro <kosaki.motohiro-+CUm20s59erQFUHtdCDX3A@public.gmane.org>,
	"Abbas, Mohamed" <mohamed.abbas-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>,
	Jens Axboe <jens.axboe-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org>,
	"John W. Linville" <linville-2XuSBdqkA4R54TAoqtyWWQ@public.gmane.org>,
	Pekka Enberg <penberg-bbCR+/B0CizivPeTLB3BmA@public.gmane.org>,
	Bartlomiej Zolnierkiewicz <bzolnier-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
	Greg Kroah-Hartman <gregkh-l3A5Bk7waGM@public.gmane.org>,
	Stephan von Krawczynski <skraw-DcQCyzbjH0jQT0dZR+AlfA@public.gmane.org>,
	Kernel Testers List <kernel-testers-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
	"netdev-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" <netdev-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
	"linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" <linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
	"linux-mm-Bw31MaZKKs3YtjvyW6yDsg@public.gmane.org" <linux-mm@kvac
To: reinette chatre <reinette.chatre-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
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On Thu, Oct 22, 2009 at 08:43:38AM -0700, reinette chatre wrote:
> On Thu, 2009-10-22 at 07:22 -0700, Mel Gorman wrote:
> > [Bug #14141] order 2 page allocation failures in iwlagn
> > 	Commit 4752c93c30441f98f7ed723001b1a5e3e5619829 introduced GFP_ATOMIC
> > 	allocations within the wireless driver. This has caused large numbers
> > 	of failure reports to occur as reported by Frans Pop. Fixing this
> > 	requires changes to the driver if it wants to use GFP_ATOMIC which
> > 	is in the hands of Mohamed Abbas and Reinette Chatre. However,
> > 	it is very likely that it has being compounded by core mm changes
> > 	that this series is aimed at.
> 
> Driver has been changed to allocate paged skb for its receive buffers.
> This reduces amount of memory needed from order-2 to order-1. This work
> is significant and will thus be in 2.6.33. 
> 

What do you want to do for -stable in 2.6.31?

-- 
Mel Gorman
Part-time Phd Student                          Linux Technology Center
University of Limerick                         IBM Dublin Software Lab