From: Jeff Garzik <jgarzik@pobox.com>
To: Richard Kennedy <richard@rsk.demon.co.uk>
Cc: Tejun Heo <tj@kernel.org>, lkml <linux-kernel@vger.kernel.org>,
linux-ide@vger.kernel.org
Subject: Re: [PATCH] libata: reorder ata_queued_cmd to remove alignment padding on 64 bit builds
Date: Fri, 17 Sep 2010 02:13:19 -0400 [thread overview]
Message-ID: <4C9306FF.70202@pobox.com> (raw)
In-Reply-To: <1284117583.1903.8.camel@castor.rsk>
On 09/10/2010 07:19 AM, Richard Kennedy wrote:
> Reorder structure ata_queued_cmd to remove 8 bytes of alignment padding
> on 64 bit builds& therefore reduce the size of structure ata_port by
> 256 bytes.
>
> Overall this will have little impact, other than reducing the amount of
> memory that is cleared when allocating ata_ports.
>
> Signed-off-by: Richard Kennedy<richard@rsk.demon.co.uk>
> ----
> patch against 2.6.36-rc3
> compiled& tested on x86_64
>
> I've been running this patch for a couple of weeks with no apparent
> issues.
>
> regards
applied
prev parent reply other threads:[~2010-09-17 6:13 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-09-10 11:19 [PATCH] libata: reorder ata_queued_cmd to remove alignment padding on 64 bit builds Richard Kennedy
[not found] ` <4C8A3F1E.8050400@gmail.com>
2010-09-12 11:21 ` Richard Kennedy
2010-09-17 6:13 ` Jeff Garzik [this message]
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