From: Balbir Singh <balbir@linux.vnet.ibm.com>
To: Namhyung Kim <namhyung@gmail.com>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>,
Paul Menage <menage@google.com>, Li Zefan <lizf@cn.fujitsu.com>,
containers@lists.linux-foundation.org, linux-mm@kvack.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH 3/3] memcg: move page-freeing code outside of lock
Date: Tue, 22 Mar 2011 08:39:35 +0530 [thread overview]
Message-ID: <AANLkTik7r3naRV6gFfN7+sLAbgAoiMkXwKUwY6nV5FH+@mail.gmail.com> (raw)
In-Reply-To: <1300763079.1483.21.camel@leonhard>
On Tue, Mar 22, 2011 at 8:34 AM, Namhyung Kim <namhyung@gmail.com> wrote:
>
> 2011-03-22 (화), 08:59 +0900, KAMEZAWA Hiroyuki:
> > On Fri, 18 Mar 2011 21:54:15 +0900
> > Namhyung Kim <namhyung@gmail.com> wrote:
> >
> > > Signed-off-by: Namhyung Kim <namhyung@gmail.com>
> > > Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
> >
> > What is the benefit of this patch ?
> >
> > -Kame
> >
>
> Oh, I just thought generally it'd better call such a (potentially)
> costly function outside of locks and it could reduce few of theoretical
> contentions between swapons and/or offs. If it doesn't help any
> realistic cases I don't mind discarding it.
swapoff is a rare path, I would not worry about it too much at all.
Balbir
--
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/ .
Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/
Don't email: <a href=mailto:"dont@kvack.org"> email@kvack.org </a>
next prev parent reply other threads:[~2011-03-22 3:09 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-03-18 12:54 [PATCH 1/3] memcg: mark init_section_page_cgroup() properly Namhyung Kim
2011-03-18 12:54 ` [PATCH 2/3] memcg: fix off-by-one when calculating swap cgroup map length Namhyung Kim
2011-03-21 23:58 ` KAMEZAWA Hiroyuki
2011-03-22 3:13 ` Balbir Singh
2011-03-18 12:54 ` [PATCH 3/3] memcg: move page-freeing code outside of lock Namhyung Kim
2011-03-21 23:59 ` KAMEZAWA Hiroyuki
2011-03-22 3:04 ` Namhyung Kim
2011-03-22 3:09 ` Balbir Singh [this message]
2011-03-22 4:56 ` KAMEZAWA Hiroyuki
2011-03-22 10:06 ` Namhyung Kim
2011-03-23 4:36 ` KAMEZAWA Hiroyuki
2011-03-23 11:59 ` [PATCH] memcg: move page-freeing code out " Namhyung Kim
2011-03-23 23:37 ` KAMEZAWA Hiroyuki
2011-03-21 23:57 ` [PATCH 1/3] memcg: mark init_section_page_cgroup() properly KAMEZAWA Hiroyuki
2011-03-22 3:10 ` Balbir Singh
2011-04-01 1:18 ` Namhyung Kim
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=AANLkTik7r3naRV6gFfN7+sLAbgAoiMkXwKUwY6nV5FH+@mail.gmail.com \
--to=balbir@linux.vnet.ibm.com \
--cc=containers@lists.linux-foundation.org \
--cc=kamezawa.hiroyu@jp.fujitsu.com \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mm@kvack.org \
--cc=lizf@cn.fujitsu.com \
--cc=menage@google.com \
--cc=namhyung@gmail.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