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

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Date:	Tue, 9 Jun 2009 10:50:28 +0300
From:	Pekka Enberg <penberg@...helsinki.fi>
To:	Mel Gorman <mel@....ul.ie>
Cc:	Rik van Riel <riel@...hat.com>,
	Larry Finger <Larry.Finger@...inger.net>,
	"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>,
	Christoph Lameter <cl@...ux-foundation.org>
Subject: Re: [Bug #13319] Page allocation failures with b43 and p54usb

On Mon, Jun 8, 2009 at 5:12 PM, Mel Gorman<mel@....ul.ie> wrote:
> In addition, include how many objects there are per-slab and include what
> the order is being passed to the page allocator when allocating new slabs.
> Would that be enough to determine if fallback-to-smaller orders occured?

Well, if the slab_out_of_memory() is called, we already know the
higher order allocation failed _and_ the fallback allocation failed.
So yes, it would be enough.
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