All of lore.kernel.org
 help / color / mirror / Atom feed
From: Jens Axboe <jaxboe@fusionio.com>
To: Richard Kennedy <richard@rsk.demon.co.uk>
Cc: Tejun Heo <tj@kernel.org>, lkml <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] block: reorder request_queue to remove 64 bit alignment padding
Date: Wed, 13 Jul 2011 21:18:16 +0200	[thread overview]
Message-ID: <4E1DEF78.3020702@fusionio.com> (raw)
In-Reply-To: <1310393989.3058.5.camel@castor.rsk>

On 2011-07-11 16:19, Richard Kennedy wrote:
> Reorder request_queue to remove 16 bytes of alignment padding in 64 bit
> builds.
> 
> On my config this shrinks the size of this structure from 1608 to 1592
> bytes and therefore needs one fewer cachelines.
> 
> Also trivially move the open bracket { to be on the same line as the
> structure name to make it easier to grep. 

Thanks, applied.

-- 
Jens Axboe


      parent reply	other threads:[~2011-07-13 19:18 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-07-11 14:19 [PATCH] block: reorder request_queue to remove 64 bit alignment padding Richard Kennedy
2011-07-13  9:20 ` Tejun Heo
2011-07-13 19:18 ` Jens Axboe [this message]

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=4E1DEF78.3020702@fusionio.com \
    --to=jaxboe@fusionio.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=richard@rsk.demon.co.uk \
    --cc=tj@kernel.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.