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

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Message-Id: <1194016836.27652.406.camel@twins>
Date:	Fri, 02 Nov 2007 16:20:36 +0100
From:	Peter Zijlstra <peterz@...radead.org>
To:	Christoph Lameter <clameter@....com>
Cc:	David Miller <davem@...emloft.net>, 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

On Fri, 2007-11-02 at 07:35 -0700, Christoph Lameter wrote:

> Well I wonder if I should introduce it not as a replacement but as an 
> alternative to allocpercpu? We can then gradually switch over. The 
> existing API does not allow the specification of gfp_masks or alignements.

I've thought about suggesting that very thing. However, I think we need
to have a clear view of where we're going with that so that we don't end
up with two per cpu allocators because some users could not be converted
over or some such.




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