From mboxrd@z Thu Jan  1 00:00:00 1970
From: Larry Finger <Larry.Finger-tQ5ms3gMjBLk1uMJSBkQmQ@public.gmane.org>
Subject: Re: [Bug #13319] Page allocation failures with b43 and p54usb
Date: Sun, 07 Jun 2009 11:35:27 -0500
Message-ID: <4A2BEC4F.6020908@lwfinger.net>
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To: Pekka Enberg <penberg-bbCR+/B0CizivPeTLB3BmA@public.gmane.org>
Cc: Rik van Riel <riel-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>, "Rafael J. Wysocki" <rjw-KKrjLPT3xs0@public.gmane.org>, Linux Kernel Mailing List <linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>, Kernel Testers List <kernel-testers-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>, Johannes Berg <johannes-cdvu00un1VgdHxzADdlk8Q@public.gmane.org>, Andrew Morton <akpm-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org>, KOSAKI Motohiro <kosaki.motohiro-+CUm20s59erQFUHtdCDX3A@public.gmane.org>, KAMEZAWA Hiroyuki <kamezawa.hiroyu-+CUm20s59erQFUHtdCDX3A@public.gmane.org>, Mel Gorman <mel-wPRd99KPJ+uzQB+pC5nmwQ@public.gmane.org>

Pekka Enberg wrote:
> On Sun, Jun 7, 2009 at 5:19 PM, Rik van Riel <riel-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org> 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