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

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Message-ID: <alpine.DEB.1.10.0906081041310.21954@gentwo.org>
Date:	Mon, 8 Jun 2009 10:42:38 -0400 (EDT)
From:	Christoph Lameter <cl@...ux-foundation.org>
To:	Mel Gorman <mel@....ul.ie>
cc:	Pekka J Enberg <penberg@...helsinki.fi>,
	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>
Subject: Re: [Bug #13319] Page allocation failures with b43 and p54usb

On Mon, 8 Jun 2009, Mel Gorman 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?

There is a per slab counter ORDER_FALLBACK that is increased for
allocations that required fallback.
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