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Subject: Re: [this_cpu_xx V2 13/19] Use this_cpu operations in slub
From: Pekka Enberg <penberg@cs.helsinki.fi>
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Date: Thu, 25 Jun 2009 10:12:19 +0300
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To: Christoph Lameter <cl@linux-foundation.org>
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On Thu, 18 Jun 2009, Pekka Enberg wrote:
> > Oh, and how does this work with the early boot slab code? We're
> > creating all the kmalloc caches with interrupts disabled and doing
> > per-cpu allocations, no?

On Thu, 2009-06-18 at 09:59 -0400, Christoph Lameter wrote:
> DMA slabs are not used during early bootup.

Actually, I think s390 is starting to use them during early boot:

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff;h=964cf35c88f93b4927dbc4e950dfa4d880c7f9d1

			Pekka

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