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Date: Wed, 14 May 2008 11:05:13 -0700 (PDT)
From: Christoph Lameter <clameter@sgi.com>
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To: Andi Kleen <andi@firstfloor.org>
cc: Pekka Enberg <penberg@cs.helsinki.fi>,
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       Mel Gorman <mel@skynet.ie>, mpm@selenic.com,
       Matthew Wilcox <matthew@wil.cx>,
       "Zhang, Yanmin" <yanmin_zhang@linux.intel.com>
Subject: Re: [patch 21/21] slab defrag: Obsolete SLAB
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On Wed, 14 May 2008, Andi Kleen wrote:

> Ignoring NUMA is no option unfortunately. And with integrated memory
> controller many of the remote CPU frees are off node.

The issue of object expiration holdoffs also affects applications 
running on pure SMP systems.