From: Rik van Riel <riel@redhat.com>
To: Ying Han <yinghan@google.com>
Cc: Michal Hocko <mhocko@suse.cz>,
Johannes Weiner <hannes@cmpxchg.org>, Mel Gorman <mel@csn.ul.ie>,
KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>,
Hillf Danton <dhillf@gmail.com>, Hugh Dickins <hughd@google.com>,
KOSAKI Motohiro <kosaki.motohiro@gmail.com>,
Andrew Morton <akpm@linux-foundation.org>,
linux-mm@kvack.org
Subject: Re: [PATCH V7 2/2] mm: memcg detect no memcgs above softlimit under zone reclaim
Date: Wed, 01 Aug 2012 20:43:15 -0400 [thread overview]
Message-ID: <5019CD23.90709@redhat.com> (raw)
In-Reply-To: <CALWz4iz3Fo90PLNVgzza2Bdt04VS6asxXWUuU==LW8-Hx-fSjA@mail.gmail.com>
On 08/01/2012 08:09 PM, Ying Han wrote:
> On Wed, Aug 1, 2012 at 1:10 PM, Rik van Riel<riel@redhat.com> wrote:
>> On 08/01/2012 03:04 PM, Ying Han wrote:
>>
>>> That is true. Hmm, then two things i can do:
>>>
>>> 1. for kswapd case, make sure not counting the root cgroup
>>> 2. or check nr_scanned. I like the nr_scanned which is telling us
>>> whether or not the reclaim ever make any attempt ?
>>
>>
>> I am looking at a more advanced case of (3) right
>> now. Once I have the basics working, I will send
>> you a prototype (that applies on top of your patches)
>> to play with.
>
> Rik,
>
> Thank you for looking into that. Before I dig into the algorithm you
> described here, do you think we need to hold this patchset for that?
> It would be easier to build on top of the things after the ground work
> is sorted out.
I'm fine either way.
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next prev parent reply other threads:[~2012-08-02 0:43 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-07-30 22:32 [PATCH V7 2/2] mm: memcg detect no memcgs above softlimit under zone reclaim Ying Han
2012-07-31 15:59 ` Michal Hocko
2012-07-31 16:07 ` Rik van Riel
2012-07-31 17:52 ` Ying Han
2012-07-31 17:54 ` Ying Han
2012-07-31 20:02 ` Michal Hocko
2012-07-31 20:59 ` Ying Han
2012-08-01 8:45 ` Michal Hocko
2012-08-01 19:04 ` Ying Han
2012-08-01 20:10 ` Rik van Riel
2012-08-02 0:09 ` Ying Han
2012-08-02 0:43 ` Rik van Riel [this message]
2012-08-06 14:03 ` Michal Hocko
2012-08-06 14:27 ` Rik van Riel
2012-08-06 15:11 ` Michal Hocko
2012-08-06 18:51 ` Rik van Riel
2012-08-06 21:18 ` Ying Han
2012-08-06 22:54 ` Rik van Riel
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