From: Mel Gorman <mgorman@suse.de>
To: Yuanhan Liu <yuanhan.liu@linux.intel.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
Johannes Weiner <hannes@cmpxchg.org>,
Hugh Dickins <hughd@google.com>,
Tim Chen <tim.c.chen@linux.intel.com>,
Dave Chinner <david@fromorbit.com>, Bob Liu <bob.liu@oracle.com>,
Jan Kara <jack@suse.cz>, Rik van Riel <riel@redhat.com>,
Linux Kernel <linux-kernel@vger.kernel.org>,
Linux-MM <linux-mm@kvack.org>,
Linux-FSDevel <linux-fsdevel@vger.kernel.org>
Subject: Re: [PATCH 0/3] Shrinkers and proportional reclaim
Date: Thu, 22 May 2014 17:30:51 +0100 [thread overview]
Message-ID: <20140522163051.GJ23991@suse.de> (raw)
In-Reply-To: <20140522161416.GD25013@yliu-dev.sh.intel.com>
On Fri, May 23, 2014 at 12:14:16AM +0800, Yuanhan Liu wrote:
> On Thu, May 22, 2014 at 10:09:36AM +0100, Mel Gorman wrote:
> > This series is aimed at regressions noticed during reclaim activity. The
> > first two patches are shrinker patches that were posted ages ago but never
> > merged for reasons that are unclear to me. I'm posting them again to see if
> > there was a reason they were dropped or if they just got lost. Dave? Time?
> > The last patch adjusts proportional reclaim. Yuanhan Liu, can you retest
> > the vm scalability test cases on a larger machine? Hugh, does this work
> > for you on the memcg test cases?
>
> Sure, and here is the result. I applied these 3 patches on v3.15-rc6,
> and head commit is 60c10afd. e82e0561 is the old commit that introduced
> the regression. The testserver has 512G memory and 120 CPU.
>
> It's a simple result; if you need more data, I can gather them and send
> it to you tomorrow:
>
> e82e0561 v3.15-rc6 60c10afd
> ----------------------------------------
> 18560785 12232122 38868453
> -34% +109
>
> As you can see, the performance is back, and it is way much better ;)
>
Thanks a lot for that and the quick response. It is much appreciated.
--
Mel Gorman
SUSE Labs
--
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:"dont@kvack.org"> email@kvack.org </a>
next prev parent reply other threads:[~2014-05-22 16:30 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-05-22 9:09 [PATCH 0/3] Shrinkers and proportional reclaim Mel Gorman
2014-05-22 9:09 ` [PATCH 1/3] fs/superblock: Unregister sb shrinker before ->kill_sb() Mel Gorman
2014-05-22 15:52 ` Rik van Riel
2014-05-22 9:09 ` [PATCH 2/3] fs/superblock: Avoid locking counting inodes and dentries before reclaiming them Mel Gorman
2014-05-22 15:59 ` Rik van Riel
2014-05-22 9:09 ` [PATCH 3/3] mm: vmscan: Use proportional scanning during direct reclaim and full scan at DEF_PRIORITY Mel Gorman
2014-05-22 16:04 ` Rik van Riel
2014-05-22 16:14 ` [PATCH 0/3] Shrinkers and proportional reclaim Yuanhan Liu
2014-05-22 16:30 ` Mel Gorman [this message]
2014-05-23 2:43 ` Yuanhan Liu
2014-05-22 17:22 ` Tim Chen
2014-05-26 21:44 ` Hugh Dickins
2014-05-27 2:37 ` Dave Chinner
2014-05-27 21:17 ` Hugh Dickins
2014-05-27 23:02 ` Konstantin Khlebnikov
2014-05-27 23:19 ` Hugh Dickins
2014-05-28 1:37 ` Dave Chinner
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=20140522163051.GJ23991@suse.de \
--to=mgorman@suse.de \
--cc=akpm@linux-foundation.org \
--cc=bob.liu@oracle.com \
--cc=david@fromorbit.com \
--cc=hannes@cmpxchg.org \
--cc=hughd@google.com \
--cc=jack@suse.cz \
--cc=linux-fsdevel@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mm@kvack.org \
--cc=riel@redhat.com \
--cc=tim.c.chen@linux.intel.com \
--cc=yuanhan.liu@linux.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).