From: Pekka Enberg <penberg@cs.helsinki.fi>
To: Christoph Lameter <cl@linux.com>
Cc: David Rientjes <rientjes@google.com>, linux-kernel@vger.kernel.org
Subject: Re: [patch] slub: default min_partial to at least highest cpus per node
Date: Tue, 07 Apr 2009 23:48:31 +0300 [thread overview]
Message-ID: <49DBBC1F.6000407@cs.helsinki.fi> (raw)
In-Reply-To: <alpine.DEB.1.10.0904071641390.12192@qirst.com>
Christoph Lameter wrote:
> I am not sure about the benefit of this. If the page allocator finally
> improves in performance then we can reduce the mininum number of partial
> slabs kept and also do pass through for all sizes >2k.
Sure, we can do that, but it still makes sense to adjust the partial
list sizes based on per-node CPU count. So I'm inclined to apply the
patch I suggested if it shows performance gains on one or more of the
relevant benchmarks (sysbench, tbench, hackbench, netperf, etc.).
next prev parent reply other threads:[~2009-04-07 20:52 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-04-06 0:52 [patch] slub: default min_partial to at least highest cpus per node David Rientjes
2009-04-07 18:58 ` Pekka Enberg
2009-04-07 19:09 ` Pekka Enberg
2009-04-07 19:44 ` David Rientjes
2009-04-07 19:54 ` Pekka Enberg
2009-04-07 20:09 ` David Rientjes
2009-04-07 20:11 ` Pekka Enberg
2009-04-07 20:22 ` David Rientjes
2009-04-07 20:35 ` Pekka Enberg
2009-04-07 20:43 ` Christoph Lameter
2009-04-07 20:48 ` Pekka Enberg [this message]
2009-04-07 21:31 ` Christoph Lameter
2009-04-07 21:46 ` David Rientjes
2009-04-07 21:48 ` Christoph Lameter
2009-04-07 22:03 ` David Rientjes
2009-04-13 18:07 ` Christoph Lameter
2009-04-07 22:01 ` 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=49DBBC1F.6000407@cs.helsinki.fi \
--to=penberg@cs.helsinki.fi \
--cc=cl@linux.com \
--cc=linux-kernel@vger.kernel.org \
--cc=rientjes@google.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