linux-kernel - Re: [PATCH -mm] slub: fix cpu hotplug offline/online path

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Message-ID: <84144f020710091148s6267a69aud18348af77f941b0@mail.gmail.com>
Date:	Tue, 9 Oct 2007 21:48:58 +0300
From:	"Pekka Enberg" <penberg@...helsinki.fi>
To:	"Christoph Lameter" <clameter@....com>
Cc:	"Akinobu Mita" <akinobu.mita@...il.com>,
	linux-kernel@...r.kernel.org,
	"Andrew Morton" <akpm@...ux-foundation.org>
Subject: Re: [PATCH -mm] slub: fix cpu hotplug offline/online path

Hi Christoph,

On 10/9/07, Christoph Lameter <clameter@....com> wrote:
> Could you check if a per cpu structure has already been allocated and then
> simply skip the call to init? Otherwise we end up with lots of per cpu
> structures for cpus that will never show up.

Does it matter? How?
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