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

From: Christoph Lameter
Date: Tue Oct 09 2007 - 14:50:33 EST


On Tue, 9 Oct 2007, Pekka Enberg wrote:

> Hi Christoph,
>
> On 10/9/07, Christoph Lameter <clameter@xxxxxxx> 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?

Our system come by default with the possibility of 1k cpus. However, a
small system may only have 8 cpus.
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