linux-kernel - Re: [PATCH 3/6] x86: Convert cpu_sibling

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Date:	Sat, 1 Sep 2007 16:06:48 +0200
From:	Andi Kleen <ak@...e.de>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	travis@....com, linux-mm@...ck.org, linux-kernel@...r.kernel.org,
	Christoph Lameter <clameter@....com>
Subject: Re: [PATCH 3/6] x86: Convert cpu_sibling_map to be a per cpu variable (v2)

On Saturday 01 September 2007 04:49, Andrew Morton wrote:
> On Fri, 24 Aug 2007 15:26:57 -0700 travis@....com wrote:
> > Convert cpu_sibling_map from a static array sized by NR_CPUS to a
> > per_cpu variable.  This saves sizeof(cpumask_t) * NR unused cpus.
> > Access is mostly from startup and CPU HOTPLUG functions.

The patchset was broken anyways even on x86-64 because of the 
ordering issues at early boot Suresh pointed out.

-Andi
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