linux-kernel - Re: [patch] CFS scheduler, v3

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Message-ID: <Pine.LNX.4.64.0704201223280.21417@schroedinger.engr.sgi.com>
Date:	Fri, 20 Apr 2007 12:24:17 -0700 (PDT)
From:	Christoph Lameter <clameter@....com>
To:	William Lee Irwin III <wli@...omorphy.com>
cc:	Ingo Molnar <mingo@...e.hu>, linux-kernel@...r.kernel.org,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Con Kolivas <kernel@...ivas.org>,
	Nick Piggin <npiggin@...e.de>, Mike Galbraith <efault@....de>,
	Arjan van de Ven <arjan@...radead.org>,
	Peter Williams <pwil3058@...pond.net.au>,
	Thomas Gleixner <tglx@...utronix.de>, caglar@...dus.org.tr,
	Willy Tarreau <w@....eu>, Gene Heskett <gene.heskett@...il.com>
Subject: Re: [patch] CFS scheduler, v3

On Wed, 18 Apr 2007, William Lee Irwin III wrote:

> 
> Mark the runqueues ____cacheline_aligned_in_smp to avoid false sharing.

False sharing for a per cpu data structure? Are we updating that 
structure from other processors?
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