linux-kernel - Re: [PATCH v2] cfq: reorder cfq_queue removing padding on 64bit & allowing more objects/slab in it's kmem

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Message-ID: <20100222124951.GR1025@kernel.dk>
Date:	Mon, 22 Feb 2010 13:49:51 +0100
From:	Jens Axboe <jens.axboe@...cle.com>
To:	Richard Kennedy <richard@....demon.co.uk>
Cc:	Vivek Goyal <vgoyal@...hat.com>,
	Corrado Zoccolo <czoccolo@...il.com>,
	Jeff Moyer <jmoyer@...hat.com>,
	Gui Jianfeng <guijianfeng@...fujitsu.com>,
	lkml <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2]  cfq: reorder cfq_queue removing padding on 64bit &
	allowing more objects/slab in it's kmem_cache

On Mon, Feb 15 2010, Richard Kennedy wrote:
> This removes 8 bytes of padding from struct cfq_queue on 64 bit builds,
> shrinking it's size to 256 bytes, so fitting into 1 fewer cachelines and
> allowing 1 more object/slab in it's kmem_cache.

Thanks, applied!

-- 
Jens Axboe

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