linux-kernel - Re: crash in kmem_cache

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Message-ID: <Pine.LNX.4.64.0801221513100.2565@schroedinger.engr.sgi.com>
Date:	Tue, 22 Jan 2008 15:14:16 -0800 (PST)
From:	Christoph Lameter <clameter@....com>
To:	Mel Gorman <mel@....ul.ie>
cc:	Olaf Hering <olaf@...fle.de>,
	Pekka Enberg <penberg@...helsinki.fi>,
	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

On Tue, 22 Jan 2008, Mel Gorman wrote:

> Rather it should be 2. I'll admit the physical setup of this machine is
> .... less than ideal but clearly it's something that can happen even if
> it's a bad idea.

Ok. Lets hope that Pekka's find does the trick. But this would mean that 
fallback gets memory from node 2 for the page allocator. Then fallback 
alloc is going to try to insert it into the l3 of node 2 which is not 
there yet. So another ooops. Sigh.

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