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

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Message-ID: <4C5AA42E.7090302@kernel.org>
Date:	Thu, 05 Aug 2010 13:44:46 +0200
From:	Tejun Heo <tj@...nel.org>
To:	Peter Zijlstra <peterz@...radead.org>
CC:	Richard Kennedy <richard@....demon.co.uk>,
	lkml <linux-kernel@...r.kernel.org>, Ingo Molnar <mingo@...e.hu>,
	akpm@...ux-foundation.org
Subject: Re: [PATCH] stop_machine: struct cpu_stopper, remove alignment padding
 on 64 bits

Hello, Peter.

On 08/05/2010 01:40 PM, Peter Zijlstra wrote:
> On Thu, 2010-08-05 at 12:11 +0100, 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>
> 
> Looks good to me. Tejun will you take it or should I send it Ingo wards?

I already asked whether Andrew could take it but routing through
Ingo's tree would be good too.  Let's wait for Andrew a bit for now.

Thank you.

-- 
tejun
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