From: Peter Zijlstra <a.p.zijlstra@chello.nl>
To: Richard Kennedy <richard@rsk.demon.co.uk>
Cc: Paul Mackerras <paulus@samba.org>, Ingo Molnar <mingo@elte.hu>,
lkml <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] perf events: remove 64bit alignment padding from perf_event_context
Date: Tue, 07 Jun 2011 17:39:50 +0200 [thread overview]
Message-ID: <1307461190.2322.280.camel@twins> (raw)
In-Reply-To: <1307460819.1950.5.camel@castor.rsk>
On Tue, 2011-06-07 at 16:33 +0100, Richard Kennedy wrote:
> Reorder perf_event_context to remove 8 bytes of 64 bit alignment padding
> shrinking its size to 192 bytes, allowing it to fit into a smaller slab
> and use one fewer cache lines.
>
>
> Signed-off-by: Richard Kennedy <richard@rsk.demon.co.uk>
Nice, thanks!
next prev parent reply other threads:[~2011-06-07 15:40 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-06-07 15:33 Richard Kennedy
2011-06-07 15:39 ` Peter Zijlstra [this message]
2011-07-01 15:19 ` [tip:perf/core] perf: Remove 64-bit " tip-bot for Richard Kennedy
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