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Date:	Fri, 7 Mar 2008 05:05:40 +0100
From:	Nick Piggin <>
To:	Christoph Lameter <>
Cc:	David Miller <>,,,,
Subject: Re: [rfc][patch 1/3] slub: fix small HWCACHE_ALIGN alignment

On Thu, Mar 06, 2008 at 07:58:06PM -0800, Christoph Lameter wrote:
> On Fri, 7 Mar 2008, Nick Piggin wrote:
> > Where do I argue that it reduces cacheline contention? All arguments
> > I made apply to a UP system equally.
> Huh? I thought you wanted to avoid cacheline alignment on UP to save 
> memory?

We're talking about HWCACHE_ALIGN in this thread. SMP_ALIGN is for
reducing cacheline contention and that's where you can avoid it on UP.

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