linux-kernel - Re: [BUG] 2.6.23-rc3-mm1 kernel BUG at mm/page

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Message-ID: <Pine.LNX.4.64.0708221404360.16416@schroedinger.engr.sgi.com>
Date:	Wed, 22 Aug 2007 14:09:20 -0700 (PDT)
From:	Christoph Lameter <clameter@....com>
To:	Andrew Morton <akpm@...ux-foundation.org>
cc:	Kamalesh Babulal <kamalesh@...ux.vnet.ibm.com>,
	linux-kernel@...r.kernel.org,
	Balbir Singh <balbir@...ux.vnet.ibm.com>,
	Mel Gorman <mel@....ul.ie>, linux-mm@...ck.org
Subject: Re: [BUG] 2.6.23-rc3-mm1 kernel BUG at mm/page_alloc.c:2876!

On Wed, 22 Aug 2007, Andrew Morton wrote:

> On Thu, 23 Aug 2007 01:50:10 +0530
> Kamalesh Babulal <kamalesh@...ux.vnet.ibm.com> wrote:
> 
> > Hi Andrew,
> > 
> > I see call trace followed by the kernel bug with the 2.6.23-rc3-mm1
> > kernel and have attached the boot log and config file.

> > =======================================================
> > SLUB: Genslabs=12, HWalign=128, Order=0-1, MinObjects=4, CPUs=4, Nodes=16

16 nodes and 4 cpus? Can I see the zones map that is displayed on 
boot? How are the cpus mapped to the nodes?

kmalloc_node walks the zonelists from the node that was specified.
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