linux-kernel - Re: [PATCHSET] percpu: generalize first chunk allocators and improve lpage NUMA support

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Date:	Mon, 29 Jun 2009 19:20:53 -0400 (EDT)
From:	Christoph Lameter <cl@...ux-foundation.org>
To:	Andrew Morton <akpm@...ux-foundation.org>
cc:	Tejun Heo <tj@...nel.org>, linux-kernel@...r.kernel.org,
	x86@...nel.org, linux-arch@...r.kernel.org, mingo@...e.hu,
	andi@...stfloor.org, hpa@...or.com, tglx@...utronix.de
Subject: Re: [PATCHSET] percpu: generalize first chunk allocators and improve
 lpage NUMA support

On Wed, 24 Jun 2009, Andrew Morton wrote:

> I assume from the tremendous number of for_each_possible_cpu()s that
> CPU hotplug awareness won't be happening.

Per cpu areas are allocated for all possible processors. No need to handle
offlining and onlining them.
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