From: Michal Hocko <mhocko@suse.cz>
To: Dave Hansen <dave.hansen@intel.com>
Cc: Dave Hansen <dave@sr71.net>, Johannes Weiner <hannes@cmpxchg.org>,
Hugh Dickins <hughd@google.com>, Tejun Heo <tj@kernel.org>,
Linux-MM <linux-mm@kvack.org>,
Andrew Morton <akpm@linux-foundation.org>,
Linus Torvalds <torvalds@linux-foundation.org>,
Vladimir Davydov <vdavydov@parallels.com>,
LKML <linux-kernel@vger.kernel.org>
Subject: Re: regression caused by cgroups optimization in 3.17-rc2
Date: Wed, 10 Sep 2014 19:05:06 +0200 [thread overview]
Message-ID: <20140910170506.GL25219@dhcp22.suse.cz> (raw)
In-Reply-To: <54108314.80400@intel.com>
On Wed 10-09-14 09:57:56, Dave Hansen wrote:
> On 09/10/2014 09:29 AM, Michal Hocko wrote:
> > I do not have a bigger machine to play with unfortunately. I think the
> > patch makes sense on its own. I would really appreciate if you could
> > give it a try on your machine with !root memcg case to see how much it
> > helped. I would expect similar results to your previous testing without
> > the revert and Johannes' patch.
>
> So you want to see before/after this patch:
>
> Subject: [PATCH] mm, memcg: Do not kill release batching in
> free_pages_and_swap_cache
>
> And you want it on top of a kernel with the revert or without?
Revert doesn't make any difference if you run the load inside a memcg
(without any limit set).
So just before and after the patch would be sufficient.
Thanks a lot Dave!
--
Michal Hocko
SUSE Labs
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next prev parent reply other threads:[~2014-09-10 17:05 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-09-02 19:05 Dave Hansen
2014-09-02 20:18 ` Dave Hansen
2014-09-02 20:57 ` Dave Hansen
2014-09-04 14:27 ` Michal Hocko
2014-09-04 20:27 ` Dave Hansen
2014-09-04 22:53 ` Dave Hansen
2014-09-05 9:28 ` Michal Hocko
2014-09-05 9:25 ` Michal Hocko
2014-09-05 14:47 ` Johannes Weiner
2014-09-05 15:39 ` Michal Hocko
2014-09-10 16:29 ` Michal Hocko
2014-09-10 16:57 ` Dave Hansen
2014-09-10 17:05 ` Michal Hocko [this message]
2014-09-05 12:35 ` Johannes Weiner
2014-09-08 15:47 ` Dave Hansen
2014-09-09 14:50 ` Johannes Weiner
2014-09-09 18:23 ` Dave Hansen
2014-09-02 22:18 ` Johannes Weiner
2014-09-02 22:36 ` Dave Hansen
2014-09-03 0:10 ` Johannes Weiner
2014-09-03 0:20 ` Linus Torvalds
2014-09-03 1:33 ` Johannes Weiner
2014-09-03 3:15 ` Dave Hansen
2014-09-03 0:30 ` Dave Hansen
2014-09-04 15:08 ` Johannes Weiner
2014-09-04 20:50 ` Dave Hansen
2014-09-05 8:04 ` Michal Hocko
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