linux-kernel - Re: [PATCH] stop_machine: struct cpu_stopper, remove alignment padding on 64 bits

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Message-ID: <4C5AA309.309@kernel.org>
Date:	Thu, 05 Aug 2010 13:39:53 +0200
From:	Tejun Heo <tj@...nel.org>
To:	Richard Kennedy <richard@....demon.co.uk>,
	akpm@...ux-foundation.org
CC:	lkml <linux-kernel@...r.kernel.org>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>
Subject: Re: [PATCH] stop_machine: struct cpu_stopper, remove alignment padding
 on 64 bits

Hello,

On 08/05/2010 01:11 PM, Richard Kennedy wrote:
> Reorder elements in structure cpu_stopper to remove alignment padding on
> 64 bit builds, this shrinks its size from 40 to 32 bytes saving 8 bytes
> per cpu.
> 
> Signed-off-by: Richard Kennedy <richard@....demon.co.uk>

Acked-by: Tejun Heo <tj@...nel.org>

Andrew, do you mind routing this one through your tree?

  http://lkml.org/lkml/2010/8/5/168

Thank you.

-- 
tejun
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