linux-kernel - Re: [thiscpuops upgrade 01/10] percpucounter: Optimize __percpu_counter_add a bit through the use of this

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Message-ID: <AANLkTim=Gu3Hju-q7Qu-imEer5fCuwkJ8rwX3-9bL=Xu@mail.gmail.com>
Date:	Wed, 24 Nov 2010 09:07:25 +0200
From:	Pekka Enberg <penberg@...nel.org>
To:	Christoph Lameter <cl@...ux.com>
Cc:	akpm@...ux-foundation.org, Pekka Enberg <penberg@...helsinki.fi>,
	linux-kernel@...r.kernel.org,
	Eric Dumazet <eric.dumazet@...il.com>,
	Mathieu Desnoyers <mathieu.desnoyers@...icios.com>,
	Tejun Heo <tj@...nel.org>
Subject: Re: [thiscpuops upgrade 01/10] percpucounter: Optimize
 __percpu_counter_add a bit through the use of this_cpu() options.

On Wed, Nov 24, 2010 at 1:51 AM, Christoph Lameter <cl@...ux.com> wrote:
> The this_cpu_* options can be used to optimize __percpu_counter_add a bit. Avoids
> some address arithmetic and saves 12 bytes.

[snip]

> Signed-off-by: Christoph Lameter <cl@...ux.com>

Reviewed-by: Pekka Enberg <penberg@...nel.org>
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