linux-kernel - Re: [MM] Make mm counters per cpu instead of atomic V2

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Date:	Tue, 10 Nov 2009 18:20:33 -0500 (EST)
From:	Christoph Lameter <cl@...ux-foundation.org>
To:	Andrew Morton <akpm@...ux-foundation.org>
cc:	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>,
	Dave Jones <davej@...hat.com>,
	"hugh.dickins@...cali.co.uk" <hugh.dickins@...cali.co.uk>,
	linux-mm@...ck.org, linux-kernel@...r.kernel.org,
	Tejun Heo <tj@...nel.org>
Subject: Re: [MM] Make mm counters per cpu instead of atomic V2

On Tue, 10 Nov 2009, Andrew Morton wrote:

> Adding a thousand cache misses to the timer interrupt is the sort of
> thing which makes people unhappy?

Obviously I was hoping for new ideas instead of just restatements of the
problem.

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