linux-kernel.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Christoph Lameter <cl@linux.com>
To: Eric Dumazet <eric.dumazet@gmail.com>
Cc: linux-kernel <linux-kernel@vger.kernel.org>,
	Pekka Enberg <penberg@kernel.org>,
	David Rientjes <rientjes@google.com>,
	"Alex,Shi" <alex.shi@intel.com>,
	Shaohua Li <shaohua.li@intel.com>, Matt Mackall <mpm@selenic.com>
Subject: Re: [PATCH] slub: prefetch next freelist pointer in slab_alloc()
Date: Fri, 16 Dec 2011 10:31:52 -0600 (CST)	[thread overview]
Message-ID: <alpine.DEB.2.00.1112161030270.26651@router.home> (raw)
In-Reply-To: <1324049134.25554.29.camel@edumazet-HP-Compaq-6005-Pro-SFF-PC>

On Fri, 16 Dec 2011, Eric Dumazet wrote:

> Recycling a page is a problem, since freelist link chain is hot on
> cpu(s) which freed objects, and possibly very cold on cpu currently
> owning slab.

Good idea. How do the tcp benchmarks look after this?

Looks sane.

Acked-by: Christoph Lameter <cl@linux.com>

  reply	other threads:[~2011-12-16 16:32 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-12-16 15:25 [PATCH] slub: prefetch next freelist pointer in slab_alloc() Eric Dumazet
2011-12-16 16:31 ` Christoph Lameter [this message]
2011-12-16 17:18   ` Eric Dumazet
2011-12-17 22:56     ` Eric Dumazet
2012-01-24 19:54   ` Pekka Enberg
2012-01-30 21:32     ` Geert Uytterhoeven
2012-01-30 21:53       ` Christoph Lameter
2012-02-09 20:00         ` Geert Uytterhoeven
2011-12-18 22:47 ` David Rientjes

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=alpine.DEB.2.00.1112161030270.26651@router.home \
    --to=cl@linux.com \
    --cc=alex.shi@intel.com \
    --cc=eric.dumazet@gmail.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=mpm@selenic.com \
    --cc=penberg@kernel.org \
    --cc=rientjes@google.com \
    --cc=shaohua.li@intel.com \
    /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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).