linux-kernel - Re: crash in kmem_cache

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Message-ID: <84144f020801230019i5ac6c8b1lfa5364672988b0c4@mail.gmail.com>
Date:	Wed, 23 Jan 2008 10:19:33 +0200
From:	"Pekka Enberg" <penberg@...helsinki.fi>
To:	"Christoph Lameter" <clameter@....com>
Cc:	"Mel Gorman" <mel@....ul.ie>, "Olaf Hering" <olaf@...fle.de>,
	linux-kernel@...r.kernel.org, linuxppc-dev@...abs.org,
	"Aneesh Kumar K.V" <aneesh.kumar@...ux.vnet.ibm.com>,
	"hanth Aravamudan" <nacc@...ibm.com>,
	"KAMEZAWA Hiroyuki" <kamezawa.hiroyu@...fujitsu.com>,
	lee.schermerhorn@...com, "Linux MM" <linux-mm@...ck.org>,
	akpm@...ux-foundation.org
Subject: Re: crash in kmem_cache_init

Hi Christoph,

On Jan 23, 2008 1:18 AM, Christoph Lameter <clameter@....com> wrote:
> My patch is useless (fascinating history of the changelog there through).
> fallback_alloc calls kmem_getpages without GFP_THISNODE. This means that
> alloc_pages_node() will try to allocate on the current node but fallback
> to neighboring node if nothing is there....

Sure, but I was referring to the scenario where current node _has_
pages available but no ->nodelists. Olaf, did you try it?

                        Pekka
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