linux-kernel - Re: [rfc][patch 1/3] slub: fix small HWCACHE

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Message-ID: <20080307032251.GG21185@wotan.suse.de>
Date:	Fri, 7 Mar 2008 04:22:51 +0100
From:	Nick Piggin <npiggin@...e.de>
To:	Christoph Lameter <clameter@....com>
Cc:	David Miller <davem@...emloft.net>, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org, yanmin_zhang@...ux.intel.com,
	dada1@...mosbay.com
Subject: Re: [rfc][patch 1/3] slub: fix small HWCACHE_ALIGN alignment

On Thu, Mar 06, 2008 at 07:18:54PM -0800, Christoph Lameter wrote:
> On Fri, 7 Mar 2008, Nick Piggin wrote:
> 
> > No, it *is not about avoiding cacheline contention*. As such, the rest
> > of what you wrote below about smp_align etc is rubbish.
> > 
> > Can you actually read what I posted?
> 
> I am trying but it barely makes sense. You first state that it 
> is *not* about avoiding cacheline contention and then argue that it 
> reduces cacheline contention.

Where do I argue that it reduces cacheline contention? All arguments
I made apply to a UP system equally.

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