linux-kernel - Re: [v7 5/8] slub: only IPI CPUs that have per cpu obj to flush

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Message-ID: <alpine.DEB.2.00.1201260909190.23426@router.home>
Date:	Thu, 26 Jan 2012 09:09:47 -0600 (CST)
From:	Christoph Lameter <cl@...ux.com>
To:	Gilad Ben-Yossef <gilad@...yossef.com>
cc:	linux-kernel@...r.kernel.org, Chris Metcalf <cmetcalf@...era.com>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Russell King <linux@....linux.org.uk>, linux-mm@...ck.org,
	Pekka Enberg <penberg@...nel.org>,
	Matt Mackall <mpm@...enic.com>,
	Sasha Levin <levinsasha928@...il.com>,
	Rik van Riel <riel@...hat.com>,
	Andi Kleen <andi@...stfloor.org>, Mel Gorman <mel@....ul.ie>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Alexander Viro <viro@...iv.linux.org.uk>,
	linux-fsdevel@...r.kernel.org, Avi Kivity <avi@...hat.com>,
	Michal Nazarewicz <mina86@...a86.org>,
	Kosaki Motohiro <kosaki.motohiro@...il.com>,
	Milton Miller <miltonm@....com>
Subject: Re: [v7 5/8] slub: only IPI CPUs that have per cpu obj to flush

On Thu, 26 Jan 2012, Gilad Ben-Yossef wrote:

> produces 166 IPIs on an cpuset isolated CPU. With it it produces none.

Acked-by: Christoph Lameter <cl@...ux.com>

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