linux-kernel - Re: [patch 0/7] [RFC] SLUB: Improve allocpercpu to reduce per cpu access overhead

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Message-Id: <20071101.151440.88131899.davem@davemloft.net>
Date:	Thu, 01 Nov 2007 15:14:40 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	clameter@....com
Cc:	dada1@...mosbay.com, akpm@...ux-foundation.org,
	linux-arch@...r.kernel.org, linux-kernel@...r.kernel.org,
	mathieu.desnoyers@...ymtl.ca, penberg@...helsinki.fi
Subject: Re: [patch 0/7] [RFC] SLUB: Improve allocpercpu to reduce per cpu
 access overhead

From: Christoph Lameter <clameter@....com>
Date: Thu, 1 Nov 2007 15:11:41 -0700 (PDT)

> On Thu, 1 Nov 2007, David Miller wrote:
> 
> > The remaining issue with accessing per-cpu areas at multiple virtual
> > addresses is D-cache aliasing.
> 
> But that is not an issue for physicallly mapped caches.

Right but I'd like to use this on sparc64 which has L1 D-cache
aliasing on some chips :-)
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