linux-kernel - Re: [this_cpu_xx V6 3/7] Use this

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Date:	Mon, 12 Oct 2009 10:54:41 -0400 (EDT)
From:	Christoph Lameter <cl@...ux-foundation.org>
To:	Tejun Heo <tj@...nel.org>
cc:	linux-kernel@...r.kernel.org,
	Pekka Enberg <penberg@...helsinki.fi>,
	Mel Gorman <mel@....ul.ie>,
	Mathieu Desnoyers <mathieu.desnoyers@...ymtl.ca>
Subject: Re: [this_cpu_xx V6 3/7] Use this_cpu operations in slub

On Mon, 12 Oct 2009, Tejun Heo wrote:

> > -		c = get_cpu_slab(s, smp_processor_id());
> > +		c = __this_cpu_ptr(s->cpu_slab);
>
> Shouldn't this be this_cpu_ptr() without the double underscore?

Interrupts are disabled so no concurrent fast path can occur.


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