linux-kernel - Re: [PATCH] sched: reorder root_domain to remove 64 bit alignment padding

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Message-ID: <1310726660.2586.313.camel@twins>
Date:	Fri, 15 Jul 2011 12:44:20 +0200
From:	Peter Zijlstra <peterz@...radead.org>
To:	Richard Kennedy <richard@....demon.co.uk>
Cc:	Ingo Molnar <mingo@...e.hu>, lkml <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] sched: reorder root_domain to remove 64 bit alignment
 padding

On Fri, 2011-07-15 at 11:41 +0100, Richard Kennedy wrote:
> Reorder root_domain to remove 8 bytes of alignment padding on 64 bit
> builds, this shrinks the size from 1736 to 1728 bytes, therefore using
> one fewer cachelines.

depends a bit on how insane struct cpupri is, but yeah, good compaction.
Thanks!
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