From: Glauber Costa <glommer@parallels.com>
To: Tejun Heo <tj@kernel.org>
Cc: James Bottomley <James.Bottomley@HansenPartnership.com>,
Mel Gorman <mgorman@suse.de>, Michal Hocko <mhocko@suse.cz>,
<linux-kernel@vger.kernel.org>, <cgroups@vger.kernel.org>,
<kamezawa.hiroyu@jp.fujitsu.com>, <devel@openvz.org>,
<linux-mm@kvack.org>, Suleiman Souhlal <suleiman@google.com>,
Frederic Weisbecker <fweisbec@gmail.com>,
David Rientjes <rientjes@google.com>,
Johannes Weiner <hannes@cmpxchg.org>
Subject: Re: [PATCH v3 04/13] kmem accounting basic infrastructure
Date: Mon, 1 Oct 2012 12:46:02 +0400 [thread overview]
Message-ID: <5069584A.8090809@parallels.com> (raw)
In-Reply-To: <20120930103732.GK10383@mtj.dyndns.org>
On 09/30/2012 02:37 PM, Tejun Heo wrote:
> Hello, James.
>
> On Sun, Sep 30, 2012 at 09:56:28AM +0100, James Bottomley wrote:
>> The beancounter approach originally used by OpenVZ does exactly this.
>> There are two specific problems, though, firstly you can't count
>> references in generic code, so now you have to extend the cgroup
>> tentacles into every object, an invasiveness which people didn't really
>> like.
>
> Yeah, it will need some hooks. For dentry and inode, I think it would
> be pretty well isolated tho. Wasn't it?
>
We would still need something for the stack. For open files, and for
everything that becomes a potential problem. We then end up with 35
different knobs instead of one. One of the perceived advantages of this
approach, is that it condenses as much data as a single knob as
possible, reducing complexity and over flexibility.
WARNING: multiple messages have this Message-ID (diff)
From: Glauber Costa <glommer@parallels.com>
To: Tejun Heo <tj@kernel.org>
Cc: James Bottomley <James.Bottomley@HansenPartnership.com>,
Mel Gorman <mgorman@suse.de>, Michal Hocko <mhocko@suse.cz>,
linux-kernel@vger.kernel.org, cgroups@vger.kernel.org,
kamezawa.hiroyu@jp.fujitsu.com, devel@openvz.org,
linux-mm@kvack.org, Suleiman Souhlal <suleiman@google.com>,
Frederic Weisbecker <fweisbec@gmail.com>,
David Rientjes <rientjes@google.com>,
Johannes Weiner <hannes@cmpxchg.org>
Subject: Re: [PATCH v3 04/13] kmem accounting basic infrastructure
Date: Mon, 1 Oct 2012 12:46:02 +0400 [thread overview]
Message-ID: <5069584A.8090809@parallels.com> (raw)
In-Reply-To: <20120930103732.GK10383@mtj.dyndns.org>
On 09/30/2012 02:37 PM, Tejun Heo wrote:
> Hello, James.
>
> On Sun, Sep 30, 2012 at 09:56:28AM +0100, James Bottomley wrote:
>> The beancounter approach originally used by OpenVZ does exactly this.
>> There are two specific problems, though, firstly you can't count
>> references in generic code, so now you have to extend the cgroup
>> tentacles into every object, an invasiveness which people didn't really
>> like.
>
> Yeah, it will need some hooks. For dentry and inode, I think it would
> be pretty well isolated tho. Wasn't it?
>
We would still need something for the stack. For open files, and for
everything that becomes a potential problem. We then end up with 35
different knobs instead of one. One of the perceived advantages of this
approach, is that it condenses as much data as a single knob as
possible, reducing complexity and over flexibility.
--
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next prev parent reply other threads:[~2012-10-01 8:49 UTC|newest]
Thread overview: 323+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-09-18 14:03 [PATCH v3 00/13] kmem controller for memcg Glauber Costa
2012-09-18 14:03 ` Glauber Costa
2012-09-18 14:03 ` Glauber Costa
2012-09-18 14:03 ` [PATCH v3 01/13] memcg: Make it possible to use the stock for more than one page Glauber Costa
2012-09-18 14:03 ` Glauber Costa
2012-09-18 14:03 ` Glauber Costa
2012-10-01 18:48 ` Johannes Weiner
2012-10-01 18:48 ` Johannes Weiner
2012-09-18 14:03 ` [PATCH v3 02/13] memcg: Reclaim when more than one page needed Glauber Costa
2012-09-18 14:03 ` Glauber Costa
2012-09-18 14:03 ` Glauber Costa
2012-10-01 19:00 ` Johannes Weiner
2012-10-01 19:00 ` Johannes Weiner
2012-09-18 14:04 ` [PATCH v3 03/13] memcg: change defines to an enum Glauber Costa
2012-09-18 14:04 ` Glauber Costa
2012-09-18 14:04 ` Glauber Costa
2012-10-01 19:06 ` Johannes Weiner
2012-10-01 19:06 ` Johannes Weiner
2012-10-01 19:06 ` Johannes Weiner
2012-10-02 9:10 ` Glauber Costa
2012-10-02 9:10 ` Glauber Costa
2012-09-18 14:04 ` [PATCH v3 04/13] kmem accounting basic infrastructure Glauber Costa
2012-09-18 14:04 ` Glauber Costa
2012-09-18 14:04 ` Glauber Costa
2012-09-21 16:34 ` Tejun Heo
2012-09-21 16:34 ` Tejun Heo
2012-09-24 8:09 ` Glauber Costa
2012-09-24 8:09 ` Glauber Costa
2012-09-24 8:09 ` Glauber Costa
2012-09-26 14:03 ` Michal Hocko
2012-09-26 14:03 ` Michal Hocko
2012-09-26 14:03 ` Michal Hocko
2012-09-26 14:33 ` Glauber Costa
2012-09-26 14:33 ` Glauber Costa
2012-09-26 16:01 ` Michal Hocko
2012-09-26 16:01 ` Michal Hocko
2012-09-26 16:01 ` Michal Hocko
2012-09-26 17:34 ` Glauber Costa
2012-09-26 17:34 ` Glauber Costa
2012-09-26 16:36 ` Tejun Heo
2012-09-26 16:36 ` Tejun Heo
2012-09-26 16:36 ` Tejun Heo
2012-09-26 17:36 ` Glauber Costa
2012-09-26 17:36 ` Glauber Costa
2012-09-26 17:44 ` Tejun Heo
2012-09-26 17:44 ` Tejun Heo
2012-09-26 17:44 ` Tejun Heo
2012-09-26 17:53 ` Glauber Costa
2012-09-26 17:53 ` Glauber Costa
2012-09-26 18:01 ` Tejun Heo
2012-09-26 18:01 ` Tejun Heo
2012-09-26 18:56 ` Glauber Costa
2012-09-26 18:56 ` Glauber Costa
2012-09-26 18:56 ` Glauber Costa
2012-09-26 19:34 ` Tejun Heo
2012-09-26 19:34 ` Tejun Heo
2012-09-26 19:34 ` Tejun Heo
2012-09-26 19:46 ` Glauber Costa
2012-09-26 19:46 ` Glauber Costa
2012-09-26 19:56 ` Tejun Heo
2012-09-26 19:56 ` Tejun Heo
2012-09-26 19:56 ` Tejun Heo
2012-09-26 20:02 ` Glauber Costa
2012-09-26 20:02 ` Glauber Costa
2012-09-26 20:16 ` Tejun Heo
2012-09-26 20:16 ` Tejun Heo
2012-09-26 20:16 ` Tejun Heo
2012-09-26 21:24 ` Glauber Costa
2012-09-26 21:24 ` Glauber Costa
2012-09-26 22:10 ` Tejun Heo
2012-09-26 22:10 ` Tejun Heo
2012-09-26 22:10 ` Tejun Heo
2012-09-26 22:29 ` Glauber Costa
2012-09-26 22:29 ` Glauber Costa
2012-09-26 22:42 ` Tejun Heo
2012-09-26 22:42 ` Tejun Heo
2012-09-26 22:42 ` Tejun Heo
2012-09-26 22:54 ` Glauber Costa
2012-09-26 22:54 ` Glauber Costa
2012-09-26 23:08 ` Tejun Heo
2012-09-26 23:08 ` Tejun Heo
2012-09-26 23:08 ` Tejun Heo
2012-09-26 23:20 ` Glauber Costa
2012-09-26 23:20 ` Glauber Costa
2012-09-26 23:33 ` Tejun Heo
2012-09-26 23:33 ` Tejun Heo
2012-09-27 12:15 ` Michal Hocko
2012-09-27 12:15 ` Michal Hocko
2012-09-27 12:15 ` Michal Hocko
2012-09-27 12:20 ` Glauber Costa
2012-09-27 12:20 ` Glauber Costa
2012-09-27 12:40 ` Michal Hocko
2012-09-27 12:40 ` Michal Hocko
2012-09-27 12:40 ` Michal Hocko
2012-09-27 12:40 ` Glauber Costa
2012-09-27 12:40 ` Glauber Costa
2012-09-27 12:40 ` Glauber Costa
2012-09-27 12:54 ` Michal Hocko
2012-09-27 12:54 ` Michal Hocko
2012-09-27 14:28 ` Mel Gorman
2012-09-27 14:28 ` Mel Gorman
2012-09-27 14:28 ` Mel Gorman
2012-09-27 14:49 ` Tejun Heo
2012-09-27 14:49 ` Tejun Heo
2012-09-27 14:57 ` Glauber Costa
2012-09-27 14:57 ` Glauber Costa
2012-09-27 17:46 ` Tejun Heo
2012-09-27 17:46 ` Tejun Heo
2012-09-27 17:46 ` Tejun Heo
2012-09-27 17:56 ` Michal Hocko
2012-09-27 17:56 ` Michal Hocko
2012-09-27 18:45 ` Glauber Costa
2012-09-27 18:45 ` Glauber Costa
2012-09-30 7:57 ` Tejun Heo
2012-09-30 7:57 ` Tejun Heo
2012-09-30 7:57 ` Tejun Heo
2012-09-30 8:02 ` Tejun Heo
2012-09-30 8:02 ` Tejun Heo
2012-09-30 8:56 ` James Bottomley
2012-09-30 8:56 ` James Bottomley
2012-09-30 8:56 ` James Bottomley
2012-09-30 10:37 ` Tejun Heo
2012-09-30 10:37 ` Tejun Heo
2012-09-30 10:37 ` Tejun Heo
2012-09-30 11:25 ` James Bottomley
2012-09-30 11:25 ` James Bottomley
2012-10-01 0:57 ` Tejun Heo
2012-10-01 0:57 ` Tejun Heo
2012-10-01 0:57 ` Tejun Heo
2012-10-01 8:43 ` Glauber Costa
2012-10-01 8:43 ` Glauber Costa
2012-10-01 8:46 ` Glauber Costa [this message]
2012-10-01 8:46 ` Glauber Costa
2012-10-03 22:59 ` Tejun Heo
2012-10-03 22:59 ` Tejun Heo
2012-10-01 8:36 ` Glauber Costa
2012-10-01 8:36 ` Glauber Costa
2012-09-27 12:08 ` Michal Hocko
2012-09-27 12:08 ` Michal Hocko
2012-09-27 12:08 ` Michal Hocko
2012-09-27 12:11 ` Glauber Costa
2012-09-27 12:11 ` Glauber Costa
2012-09-27 14:33 ` Tejun Heo
2012-09-27 14:33 ` Tejun Heo
2012-09-27 14:43 ` Mel Gorman
2012-09-27 14:43 ` Mel Gorman
2012-09-27 14:43 ` Mel Gorman
2012-09-27 14:58 ` Tejun Heo
2012-09-27 14:58 ` Tejun Heo
2012-09-27 18:30 ` Glauber Costa
2012-09-27 18:30 ` Glauber Costa
2012-09-30 8:23 ` Tejun Heo
2012-09-30 8:23 ` Tejun Heo
2012-10-01 8:45 ` Glauber Costa
2012-10-01 8:45 ` Glauber Costa
2012-10-03 22:54 ` Tejun Heo
2012-10-03 22:54 ` Tejun Heo
2012-10-04 11:55 ` Glauber Costa
2012-10-04 11:55 ` Glauber Costa
2012-10-06 2:19 ` Tejun Heo
2012-10-06 2:19 ` Tejun Heo
2012-10-06 2:19 ` Tejun Heo
2012-09-27 15:09 ` Michal Hocko
2012-09-27 15:09 ` Michal Hocko
2012-09-30 8:47 ` Tejun Heo
2012-09-30 8:47 ` Tejun Heo
2012-10-01 9:27 ` Michal Hocko
2012-10-01 9:27 ` Michal Hocko
2012-10-03 22:43 ` Tejun Heo
2012-10-03 22:43 ` Tejun Heo
2012-10-03 22:43 ` Tejun Heo
2012-10-05 13:47 ` Michal Hocko
2012-10-05 13:47 ` Michal Hocko
2012-10-05 13:47 ` Michal Hocko
2012-09-26 22:11 ` Johannes Weiner
2012-09-26 22:11 ` Johannes Weiner
2012-09-26 22:11 ` Johannes Weiner
2012-09-26 22:45 ` Glauber Costa
2012-09-26 22:45 ` Glauber Costa
2012-09-18 14:04 ` [PATCH v3 05/13] Add a __GFP_KMEMCG flag Glauber Costa
2012-09-18 14:04 ` Glauber Costa
2012-09-18 14:04 ` Glauber Costa
2012-09-18 14:15 ` Rik van Riel
2012-09-18 14:15 ` Rik van Riel
2012-09-18 15:06 ` Christoph Lameter
2012-09-18 15:06 ` Christoph Lameter
2012-09-18 15:06 ` Christoph Lameter
2012-09-19 7:39 ` Glauber Costa
2012-09-19 7:39 ` Glauber Costa
2012-09-19 7:39 ` Glauber Costa
2012-09-19 14:07 ` Christoph Lameter
2012-09-19 14:07 ` Christoph Lameter
2012-09-19 14:07 ` Christoph Lameter
2012-09-27 13:34 ` Mel Gorman
2012-09-27 13:34 ` Mel Gorman
2012-09-27 13:41 ` Glauber Costa
2012-09-27 13:41 ` Glauber Costa
2012-10-01 19:09 ` Johannes Weiner
2012-10-01 19:09 ` Johannes Weiner
2012-09-18 14:04 ` [PATCH v3 06/13] memcg: kmem controller infrastructure Glauber Costa
2012-09-18 14:04 ` Glauber Costa
2012-09-18 14:04 ` Glauber Costa
2012-09-20 16:05 ` JoonSoo Kim
2012-09-20 16:05 ` JoonSoo Kim
2012-09-20 16:05 ` JoonSoo Kim
2012-09-21 8:41 ` Glauber Costa
2012-09-21 8:41 ` Glauber Costa
2012-09-21 8:41 ` Glauber Costa
2012-09-21 9:14 ` JoonSoo Kim
2012-09-21 9:14 ` JoonSoo Kim
2012-09-26 15:51 ` Michal Hocko
2012-09-26 15:51 ` Michal Hocko
2012-09-26 15:51 ` Michal Hocko
2012-09-27 11:31 ` Glauber Costa
2012-09-27 11:31 ` Glauber Costa
2012-09-27 13:44 ` Michal Hocko
2012-09-27 13:44 ` Michal Hocko
2012-09-27 13:44 ` Michal Hocko
2012-09-28 11:34 ` Glauber Costa
2012-09-28 11:34 ` Glauber Costa
2012-09-28 11:34 ` Glauber Costa
2012-09-30 8:25 ` Tejun Heo
2012-09-30 8:25 ` Tejun Heo
2012-10-01 8:28 ` Glauber Costa
2012-10-01 8:28 ` Glauber Costa
2012-10-03 22:11 ` Tejun Heo
2012-10-03 22:11 ` Tejun Heo
2012-10-03 22:11 ` Tejun Heo
2012-10-01 9:44 ` Michal Hocko
2012-10-01 9:44 ` Michal Hocko
2012-10-01 9:44 ` Michal Hocko
2012-10-01 9:48 ` Michal Hocko
2012-10-01 9:48 ` Michal Hocko
2012-10-01 9:48 ` Michal Hocko
2012-10-01 10:09 ` Glauber Costa
2012-10-01 10:09 ` Glauber Costa
2012-10-01 11:51 ` Michal Hocko
2012-10-01 11:51 ` Michal Hocko
2012-10-01 11:51 ` Glauber Costa
2012-10-01 11:51 ` Glauber Costa
2012-10-01 11:51 ` Glauber Costa
2012-10-01 11:58 ` Michal Hocko
2012-10-01 11:58 ` Michal Hocko
2012-10-01 12:04 ` Glauber Costa
2012-10-01 12:04 ` Glauber Costa
2012-10-01 12:04 ` Glauber Costa
2012-09-18 14:04 ` [PATCH v3 07/13] mm: Allocate kernel pages to the right memcg Glauber Costa
2012-09-18 14:04 ` Glauber Costa
2012-09-18 14:04 ` Glauber Costa
2012-09-27 13:50 ` Mel Gorman
2012-09-27 13:50 ` Mel Gorman
2012-09-28 9:43 ` Glauber Costa
2012-09-28 9:43 ` Glauber Costa
2012-09-28 9:43 ` Glauber Costa
2012-09-28 13:28 ` Mel Gorman
2012-09-28 13:28 ` Mel Gorman
2012-09-27 13:52 ` Michal Hocko
2012-09-27 13:52 ` Michal Hocko
2012-09-27 13:52 ` Michal Hocko
2012-09-18 14:04 ` [PATCH v3 08/13] res_counter: return amount of charges after res_counter_uncharge Glauber Costa
2012-09-18 14:04 ` Glauber Costa
2012-09-18 14:04 ` Glauber Costa
2012-10-01 10:00 ` Michal Hocko
2012-10-01 10:00 ` Michal Hocko
2012-10-01 10:01 ` Glauber Costa
2012-10-01 10:01 ` Glauber Costa
2012-09-18 14:04 ` [PATCH v3 09/13] memcg: kmem accounting lifecycle management Glauber Costa
2012-09-18 14:04 ` Glauber Costa
2012-09-18 14:04 ` Glauber Costa
2012-10-01 12:15 ` Michal Hocko
2012-10-01 12:15 ` Michal Hocko
2012-10-01 12:15 ` Michal Hocko
2012-10-01 12:29 ` Glauber Costa
2012-10-01 12:29 ` Glauber Costa
2012-10-01 12:29 ` Glauber Costa
2012-10-01 12:36 ` Michal Hocko
2012-10-01 12:36 ` Michal Hocko
2012-10-01 12:36 ` Michal Hocko
2012-10-01 12:43 ` Glauber Costa
2012-10-01 12:43 ` Glauber Costa
2012-10-01 12:43 ` Glauber Costa
2012-09-18 14:04 ` [PATCH v3 10/13] memcg: use static branches when code not in use Glauber Costa
2012-09-18 14:04 ` Glauber Costa
2012-09-18 14:04 ` Glauber Costa
2012-10-01 12:25 ` Michal Hocko
2012-10-01 12:25 ` Michal Hocko
2012-10-01 12:27 ` Glauber Costa
2012-10-01 12:27 ` Glauber Costa
2012-10-01 12:27 ` Glauber Costa
2012-09-18 14:04 ` [PATCH v3 11/13] memcg: allow a memcg with kmem charges to be destructed Glauber Costa
2012-09-18 14:04 ` Glauber Costa
2012-09-18 14:04 ` Glauber Costa
2012-10-01 12:30 ` Michal Hocko
2012-10-01 12:30 ` Michal Hocko
2012-10-01 12:30 ` Michal Hocko
2012-09-18 14:04 ` [PATCH v3 12/13] execute the whole memcg freeing in rcu callback Glauber Costa
2012-09-18 14:04 ` Glauber Costa
2012-09-18 14:04 ` Glauber Costa
2012-09-21 17:23 ` Tejun Heo
2012-09-21 17:23 ` Tejun Heo
2012-09-21 17:23 ` Tejun Heo
2012-09-24 8:48 ` Glauber Costa
2012-09-24 8:48 ` Glauber Costa
2012-09-24 8:48 ` Glauber Costa
2012-10-01 13:27 ` Michal Hocko
2012-10-01 13:27 ` Michal Hocko
2012-10-01 13:27 ` Michal Hocko
2012-10-04 10:53 ` Glauber Costa
2012-10-04 10:53 ` Glauber Costa
2012-10-04 10:53 ` Glauber Costa
2012-10-04 14:20 ` Glauber Costa
2012-10-04 14:20 ` Glauber Costa
2012-10-05 15:31 ` Johannes Weiner
2012-10-05 15:31 ` Johannes Weiner
2012-10-05 15:31 ` Johannes Weiner
2012-10-08 9:45 ` Glauber Costa
2012-10-08 9:45 ` Glauber Costa
2012-09-18 14:04 ` [PATCH v3 13/13] protect architectures where THREAD_SIZE >= PAGE_SIZE against fork bombs Glauber Costa
2012-09-18 14:04 ` Glauber Costa
2012-09-18 14:04 ` Glauber Costa
2012-10-01 13:17 ` Michal Hocko
2012-10-01 13:17 ` Michal Hocko
2012-10-01 13:17 ` Michal Hocko
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