Message-ID: <4A2BEC4F.6020908@lwfinger.net>
Date: Sun, 07 Jun 2009 11:35:27 -0500
From: Larry Finger <Larry.Finger@lwfinger.net>
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To: Pekka Enberg <penberg@cs.helsinki.fi>
CC: Rik van Riel <riel@redhat.com>, "Rafael J. Wysocki" <rjw@sisk.pl>,
       Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
       Kernel Testers List <kernel-testers@vger.kernel.org>,
       Johannes Berg <johannes@sipsolutions.net>,
       Andrew Morton <akpm@linux-foundation.org>,
       KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>,
       KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>,
       Mel Gorman <mel@csn.ul.ie>
Subject: Re: [Bug #13319] Page allocation failures with b43 and p54usb
References: <bCxQpon4SCJ.A.RrF.yY7KKB@chimera>	 <D9VoutSOyXP.A.hvH.Ha7KKB@chimera> <4A2BBC30.2030300@lwfinger.net>	 <84144f020906070640rf5ab14nbf66d3ca7c97675f@mail.gmail.com>	 <4A2BCC6F.8090004@redhat.com> <84144f020906070732l31786156r5d9753a0cabfde79@mail.gmail.com>
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Pekka Enberg wrote:
> On Sun, Jun 7, 2009 at 5:19 PM, Rik van Riel <riel@redhat.com> wrote:
>> That is a very strange trace.  The Mem-Info indicates
>> that the system has more than enough memory free, and
>> also enough memory in higher-order free blocks.
>>
>> This would indicate a bug somewhere in the page
>> allocator - this memory should have been given to this
>> allocation request.
> 
> Aha, I always have difficulties deciphering the traces. But lets
> invite Mel to the party then!

I'm happy to see some action on this problem. As usual, I'm happy to
test patches and/or provide diagnostic output.

Larry
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