From: Marcelo Tosatti <marcelo.tosatti@cyclades.com>
To: Andrew Morton <akpm@osdl.org>
Cc: Nikita Danilov <nikita@clusterfs.com>,
Linux-Kernel@vger.kernel.org, linux-mm@kvack.org
Subject: Re: [PATCH]: 1/4 batch mark_page_accessed()
Date: Wed, 24 Nov 2004 08:40:20 -0200 [thread overview]
Message-ID: <20041124104020.GA9777@logos.cnet> (raw)
In-Reply-To: <20041121131250.26d2724d.akpm@osdl.org>
On Sun, Nov 21, 2004 at 01:12:50PM -0800, Andrew Morton wrote:
> Nikita Danilov <nikita@clusterfs.com> wrote:
> >
> > Batch mark_page_accessed() (a la lru_cache_add() and lru_cache_add_active()):
> > page to be marked accessed is placed into per-cpu pagevec
> > (page_accessed_pvec). When pagevec is filled up, all pages are processed in a
> > batch.
> >
> > This is supposed to decrease contention on zone->lru_lock.
>
> Looks sane, althought it does add more atomic ops (the extra
> get_page/put_page). Some benchmarks would be nice to have.
I'll run STP benchmarks as soon as STP is working again.
--
To unsubscribe, send a message with 'unsubscribe linux-mm' in
the body to majordomo@kvack.org. For more info on Linux MM,
see: http://www.linux-mm.org/ .
Don't email: <a href=mailto:"aart@kvack.org"> aart@kvack.org </a>
next prev parent reply other threads:[~2004-11-24 10:40 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-11-21 15:44 Nikita Danilov
2004-11-21 21:12 ` Andrew Morton
2004-11-24 10:40 ` Marcelo Tosatti [this message]
2004-11-24 16:32 ` Marcelo Tosatti
2004-11-24 21:53 ` Nikita Danilov
2004-11-26 18:58 ` Marcelo Tosatti
2004-11-27 0:37 ` Nick Piggin
2004-11-30 16:29 ` Marcelo Tosatti
2004-12-01 1:33 ` Andrew Morton
2004-11-30 22:57 ` Marcelo Tosatti
2004-12-01 12:23 ` Nikita Danilov
2004-12-01 18:58 ` Marcelo Tosatti
2004-12-02 1:59 ` Andrew Morton
2004-11-27 10:41 ` Nikita Danilov
2004-11-27 8:19 ` Marcelo Tosatti
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=20041124104020.GA9777@logos.cnet \
--to=marcelo.tosatti@cyclades.com \
--cc=Linux-Kernel@vger.kernel.org \
--cc=akpm@osdl.org \
--cc=linux-mm@kvack.org \
--cc=nikita@clusterfs.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