linux-kernel - Re: [this_cpu_xx V6 1/7] this_cpu

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Message-ID: <4ACDC19F.7040401@kernel.org>
Date:	Thu, 08 Oct 2009 19:40:31 +0900
From:	Tejun Heo <tj@...nel.org>
To:	cl@...ux-foundation.org
CC:	linux-kernel@...r.kernel.org, Mel Gorman <mel@....ul.ie>,
	Pekka Enberg <penberg@...helsinki.fi>,
	Mathieu Desnoyers <mathieu.desnoyers@...ymtl.ca>
Subject: Re: [this_cpu_xx V6 1/7] this_cpu_ops: page allocator conversion

Tejun Heo wrote:
> This looks much better but I'm not sure whether it's safe.  percpu
> offsets have not been set up before setup_per_cpu_areas() is complete
> on most archs but if all that's necessary is getting the page
> allocator up and running as soon as static per cpu areas and offsets
> are set up (which basically means as soon as cpu init is complete on
> ia64 and setup_per_cpu_areas() is complete on all other archs).  This
> should be correct.  Is this what you're expecting?

Also, as I'm not very familiar with the code, I'd really appreciate
Mel Gorman's acked or reviewed-by.

Thanks.

-- 
tejun
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