linux-kernel - Re: [Bug #13319] Page allocation failures with b43 and p54usb

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Message-ID: <4A2BEC4F.6020908@lwfinger.net>
Date:	Sun, 07 Jun 2009 11:35:27 -0500
From:	Larry Finger <Larry.Finger@...inger.net>
To:	Pekka Enberg <penberg@...helsinki.fi>
CC:	Rik van Riel <riel@...hat.com>, "Rafael J. Wysocki" <rjw@...k.pl>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Kernel Testers List <kernel-testers@...r.kernel.org>,
	Johannes Berg <johannes@...solutions.net>,
	Andrew Morton <akpm@...ux-foundation.org>,
	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>,
	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>,
	Mel Gorman <mel@....ul.ie>
Subject: Re: [Bug #13319] Page allocation failures with b43 and p54usb

Pekka Enberg wrote:
> On Sun, Jun 7, 2009 at 5:19 PM, Rik van Riel <riel@...hat.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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