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From: Tejun Heo <tj@kernel.org>
To: Glauber Costa <glommer@parallels.com>
Cc: cgroups@vger.kernel.org, linux-mm@kvack.org,
	Andrew Morton <akpm@linux-foundation.org>,
	linux-kernel@vger.kernel.org,
	Frederic Weisbecker <fweisbec@gmail.com>,
	David Rientjes <rientjes@google.com>,
	Pekka Enberg <penberg@kernel.org>, Michal Hocko <mhocko@suse.cz>,
	Johannes Weiner <hannes@cmpxchg.org>,
	Christoph Lameter <cl@linux.com>,
	devel@openvz.org, kamezawa.hiroyu@jp.fujitsu.com,
	Suleiman Souhlal <suleiman@google.com>
Subject: Re: [PATCH 01/11] memcg: Make it possible to use the stock for more than one page.
Date: Mon, 25 Jun 2012 15:33:01 -0700	[thread overview]
Message-ID: <CAOS58YNV+uYbGYweSpQNSaRG8ixTG1ugTn42CfuAMO=S2ch6nw@mail.gmail.com> (raw)
In-Reply-To: <4FE8E632.70602@parallels.com>

Hello,

On Mon, Jun 25, 2012 at 3:29 PM, Glauber Costa <glommer@parallels.com> wrote:
>> It would be nice to explain why this is being done.  Just a simple
>> statement like - "prepare for XXX" or "will be needed by XXX".
>
>
> I picked this patch from Suleiman Souhlal, and tried to keep it as close as
> possible to his version.
>
> But for the sake of documentation, I can do that, yes.

Yeah, that would be great. Also, the patch does change behavior,
right? Explaining / justifying that a bit would be nice too.

Thanks!

-- 
tejun

WARNING: multiple messages have this Message-ID (diff)
From: Tejun Heo <tj@kernel.org>
To: Glauber Costa <glommer@parallels.com>
Cc: cgroups@vger.kernel.org, linux-mm@kvack.org,
	Andrew Morton <akpm@linux-foundation.org>,
	linux-kernel@vger.kernel.org,
	Frederic Weisbecker <fweisbec@gmail.com>,
	David Rientjes <rientjes@google.com>,
	Pekka Enberg <penberg@kernel.org>, Michal Hocko <mhocko@suse.cz>,
	Johannes Weiner <hannes@cmpxchg.org>,
	Christoph Lameter <cl@linux.com>,
	devel@openvz.org, kamezawa.hiroyu@jp.fujitsu.com,
	Suleiman Souhlal <suleiman@google.com>
Subject: Re: [PATCH 01/11] memcg: Make it possible to use the stock for more than one page.
Date: Mon, 25 Jun 2012 15:33:01 -0700	[thread overview]
Message-ID: <CAOS58YNV+uYbGYweSpQNSaRG8ixTG1ugTn42CfuAMO=S2ch6nw@mail.gmail.com> (raw)
In-Reply-To: <4FE8E632.70602@parallels.com>

Hello,

On Mon, Jun 25, 2012 at 3:29 PM, Glauber Costa <glommer@parallels.com> wrote:
>> It would be nice to explain why this is being done.  Just a simple
>> statement like - "prepare for XXX" or "will be needed by XXX".
>
>
> I picked this patch from Suleiman Souhlal, and tried to keep it as close as
> possible to his version.
>
> But for the sake of documentation, I can do that, yes.

Yeah, that would be great. Also, the patch does change behavior,
right? Explaining / justifying that a bit would be nice too.

Thanks!

-- 
tejun

--
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  reply	other threads:[~2012-06-25 22:33 UTC|newest]

Thread overview: 238+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-06-25 14:15 [PATCH 00/11] kmem controller for memcg: stripped down version Glauber Costa
2012-06-25 14:15 ` Glauber Costa
2012-06-25 14:15 ` Glauber Costa
2012-06-25 14:15 ` [PATCH 01/11] memcg: Make it possible to use the stock for more than one page Glauber Costa
2012-06-25 14:15   ` Glauber Costa
2012-06-25 14:15   ` Glauber Costa
2012-06-25 17:44   ` Tejun Heo
2012-06-25 17:44     ` Tejun Heo
2012-06-25 17:44     ` Tejun Heo
2012-06-25 22:29     ` Glauber Costa
2012-06-25 22:29       ` Glauber Costa
2012-06-25 22:33       ` Tejun Heo [this message]
2012-06-25 22:33         ` Tejun Heo
2012-06-26  4:01   ` David Rientjes
2012-06-26  4:01     ` David Rientjes
2012-06-25 14:15 ` [PATCH 02/11] memcg: Reclaim when more than one page needed Glauber Costa
2012-06-25 14:15   ` Glauber Costa
2012-06-25 23:33   ` Suleiman Souhlal
2012-06-25 23:33     ` Suleiman Souhlal
2012-06-26  8:39     ` Glauber Costa
2012-06-26  8:39       ` Glauber Costa
2012-06-27 16:16       ` Suleiman Souhlal
2012-06-27 16:16         ` Suleiman Souhlal
2012-06-27 16:16         ` Suleiman Souhlal
2012-06-26  4:09   ` David Rientjes
2012-06-26  4:09     ` David Rientjes
2012-06-26  7:12     ` Glauber Costa
2012-06-26  7:12       ` Glauber Costa
2012-06-26  7:12       ` Glauber Costa
2012-06-26  8:54       ` David Rientjes
2012-06-26  8:54         ` David Rientjes
2012-06-26  8:54         ` David Rientjes
2012-06-26  9:08         ` Glauber Costa
2012-06-26  9:08           ` Glauber Costa
2012-06-26  9:17           ` David Rientjes
2012-06-26  9:17             ` David Rientjes
2012-06-26  9:23             ` Glauber Costa
2012-06-26  9:23               ` Glauber Costa
2012-06-27 10:03     ` Glauber Costa
2012-06-27 10:03       ` Glauber Costa
2012-06-27 19:48       ` David Rientjes
2012-06-27 19:48         ` David Rientjes
2012-06-27 19:48         ` David Rientjes
2012-06-27 20:47         ` Glauber Costa
2012-06-27 20:47           ` Glauber Costa
2012-06-25 14:15 ` [PATCH 03/11] memcg: change defines to an enum Glauber Costa
2012-06-25 14:15   ` Glauber Costa
2012-06-26  4:11   ` David Rientjes
2012-06-26  4:11     ` David Rientjes
2012-06-26  8:28     ` Glauber Costa
2012-06-26  8:28       ` Glauber Costa
2012-06-26  9:01       ` David Rientjes
2012-06-26  9:01         ` David Rientjes
2012-06-26  9:01         ` David Rientjes
2012-06-25 14:15 ` [PATCH 04/11] kmem slab accounting basic infrastructure Glauber Costa
2012-06-25 14:15   ` Glauber Costa
2012-06-26  4:22   ` David Rientjes
2012-06-26  4:22     ` David Rientjes
2012-06-26  7:09     ` Glauber Costa
2012-06-26  7:09       ` Glauber Costa
2012-06-25 14:15 ` [PATCH 05/11] Add a __GFP_KMEMCG flag Glauber Costa
2012-06-25 14:15   ` Glauber Costa
2012-06-26  4:25   ` David Rientjes
2012-06-26  4:25     ` David Rientjes
2012-06-26  7:08     ` Glauber Costa
2012-06-26  7:08       ` Glauber Costa
2012-06-26  9:03       ` David Rientjes
2012-06-26  9:03         ` David Rientjes
2012-06-25 14:15 ` [PATCH 06/11] memcg: kmem controller infrastructure Glauber Costa
2012-06-25 14:15   ` Glauber Costa
2012-06-25 14:15   ` Glauber Costa
2012-06-25 18:06   ` Tejun Heo
2012-06-25 18:06     ` Tejun Heo
2012-06-25 18:06     ` Tejun Heo
2012-06-25 22:28     ` Glauber Costa
2012-06-25 22:28       ` Glauber Costa
2012-06-25 23:17   ` Andrew Morton
2012-06-25 23:17     ` Andrew Morton
2012-06-25 23:17     ` Andrew Morton
2012-06-26 14:40     ` Glauber Costa
2012-06-26 14:40       ` Glauber Costa
2012-06-26 15:01     ` Glauber Costa
2012-06-26 15:01       ` Glauber Costa
2012-06-26 15:01       ` Glauber Costa
2012-06-26 18:01       ` Andrew Morton
2012-06-26 18:01         ` Andrew Morton
2012-06-26 18:01         ` Andrew Morton
2012-06-26 18:08         ` Tejun Heo
2012-06-26 18:08           ` Tejun Heo
2012-06-26 18:08           ` Tejun Heo
2012-06-26 18:14         ` Glauber Costa
2012-06-26 18:14           ` Glauber Costa
2012-06-26 19:20           ` Andrew Morton
2012-06-26 19:20             ` Andrew Morton
2012-06-26 15:29     ` Glauber Costa
2012-06-26 15:29       ` Glauber Costa
2012-06-26 15:29       ` Glauber Costa
2012-06-26  9:12   ` David Rientjes
2012-06-26  9:12     ` David Rientjes
2012-06-26  9:12     ` David Rientjes
2012-06-26  9:17     ` Glauber Costa
2012-06-26  9:17       ` Glauber Costa
2012-06-26  9:17       ` Glauber Costa
2012-06-27  4:01       ` David Rientjes
2012-06-27  4:01         ` David Rientjes
2012-06-27  9:33         ` Glauber Costa
2012-06-27  9:33           ` Glauber Costa
2012-06-27  9:33           ` Glauber Costa
2012-06-27 19:46           ` David Rientjes
2012-06-27 19:46             ` David Rientjes
2012-06-25 14:15 ` [PATCH 07/11] mm: Allocate kernel pages to the right memcg Glauber Costa
2012-06-25 14:15   ` Glauber Costa
2012-06-25 14:15   ` Glauber Costa
2012-06-25 18:07   ` Tejun Heo
2012-06-25 18:07     ` Tejun Heo
2012-06-25 22:27     ` Glauber Costa
2012-06-25 22:27       ` Glauber Costa
2012-06-25 14:15 ` [PATCH 08/11] memcg: disable kmem code when not in use Glauber Costa
2012-06-25 14:15   ` Glauber Costa
2012-06-25 14:15   ` Glauber Costa
2012-06-26  5:51   ` Kamezawa Hiroyuki
2012-06-26  5:51     ` Kamezawa Hiroyuki
2012-06-25 14:15 ` [PATCH 09/11] memcg: propagate kmem limiting information to children Glauber Costa
2012-06-25 14:15   ` Glauber Costa
2012-06-25 14:15   ` Glauber Costa
2012-06-25 18:29   ` Tejun Heo
2012-06-25 18:29     ` Tejun Heo
2012-06-25 22:36     ` Glauber Costa
2012-06-25 22:36       ` Glauber Costa
2012-06-25 22:36       ` Glauber Costa
2012-06-25 22:49       ` Tejun Heo
2012-06-25 22:49         ` Tejun Heo
2012-06-25 22:49         ` Tejun Heo
2012-06-25 23:21       ` Andrew Morton
2012-06-25 23:21         ` Andrew Morton
2012-06-26  5:23         ` David Rientjes
2012-06-26  5:23           ` David Rientjes
2012-06-25 23:23   ` Andrew Morton
2012-06-25 23:23     ` Andrew Morton
2012-06-26  5:24     ` David Rientjes
2012-06-26  5:24       ` David Rientjes
2012-06-26  5:31       ` Andrew Morton
2012-06-26  5:31         ` Andrew Morton
2012-06-26  5:31         ` Andrew Morton
2012-06-26  7:23         ` Glauber Costa
2012-06-26  7:23           ` Glauber Costa
2012-06-26  7:23           ` Glauber Costa
2012-06-25 14:15 ` [PATCH 10/11] memcg: allow a memcg with kmem charges to be destructed Glauber Costa
2012-06-25 14:15   ` Glauber Costa
2012-06-25 14:15   ` Glauber Costa
2012-06-25 18:34   ` Tejun Heo
2012-06-25 18:34     ` Tejun Heo
2012-06-25 22:25     ` Glauber Costa
2012-06-25 22:25       ` Glauber Costa
2012-06-25 22:25       ` Glauber Costa
2012-06-26  5:59   ` Kamezawa Hiroyuki
2012-06-26  5:59     ` Kamezawa Hiroyuki
2012-06-26  7:21     ` Glauber Costa
2012-06-26  7:21       ` Glauber Costa
2012-06-26  7:21       ` Glauber Costa
2012-06-25 14:15 ` [PATCH 11/11] protect architectures where THREAD_SIZE >= PAGE_SIZE against fork bombs Glauber Costa
2012-06-25 14:15   ` Glauber Costa
2012-06-25 14:15   ` Glauber Costa
2012-06-25 16:55   ` Frederic Weisbecker
2012-06-25 16:55     ` Frederic Weisbecker
2012-06-25 18:38     ` Tejun Heo
2012-06-25 18:38       ` Tejun Heo
2012-06-25 18:38       ` Tejun Heo
2012-06-25 20:57       ` Frederic Weisbecker
2012-06-25 20:57         ` Frederic Weisbecker
2012-06-25 20:57         ` Frederic Weisbecker
2012-06-26 12:48       ` Glauber Costa
2012-06-26 12:48         ` Glauber Costa
2012-06-26 12:48         ` Glauber Costa
2012-06-26 13:38         ` Frederic Weisbecker
2012-06-26 13:38           ` Frederic Weisbecker
2012-06-26 13:38           ` Frederic Weisbecker
2012-06-26 13:37           ` Glauber Costa
2012-06-26 13:37             ` Glauber Costa
2012-06-26 13:37             ` Glauber Costa
2012-06-26 13:44             ` Frederic Weisbecker
2012-06-26 13:44               ` Frederic Weisbecker
2012-06-26 13:44               ` Frederic Weisbecker
2012-06-26  4:57   ` David Rientjes
2012-06-26  4:57     ` David Rientjes
2012-06-26  5:35     ` Kamezawa Hiroyuki
2012-06-26  5:35       ` Kamezawa Hiroyuki
2012-06-26  5:35       ` Kamezawa Hiroyuki
2012-06-26  7:23     ` Glauber Costa
2012-06-26  7:23       ` Glauber Costa
2012-06-26  7:23       ` Glauber Costa
2012-06-26  8:45       ` David Rientjes
2012-06-26  8:45         ` David Rientjes
2012-06-26  8:45         ` David Rientjes
2012-06-26  8:44         ` Glauber Costa
2012-06-26  8:44           ` Glauber Costa
2012-06-26  8:44           ` Glauber Costa
2012-06-26  9:05           ` David Rientjes
2012-06-26  9:05             ` David Rientjes
2012-06-25 23:27 ` [PATCH 00/11] kmem controller for memcg: stripped down version Andrew Morton
2012-06-25 23:27   ` Andrew Morton
2012-06-26  7:17   ` Glauber Costa
2012-06-26  7:17     ` Glauber Costa
2012-06-26 21:55     ` Andrew Morton
2012-06-26 21:55       ` Andrew Morton
2012-06-26 21:55       ` Andrew Morton
2012-06-27  1:08       ` David Rientjes
2012-06-27  1:08         ` David Rientjes
2012-06-27  8:39         ` Glauber Costa
2012-06-27  8:39           ` Glauber Costa
2012-06-27  8:39           ` Glauber Costa
2012-06-27  9:29       ` Fork bomb limitation in memcg WAS: " Glauber Costa
2012-06-27  9:29         ` Glauber Costa
2012-06-27  9:29         ` Glauber Costa
2012-06-27 12:29         ` Frederic Weisbecker
2012-06-27 12:29           ` Frederic Weisbecker
2012-06-27 12:28           ` Glauber Costa
2012-06-27 12:28             ` Glauber Costa
2012-06-27 12:35             ` Frederic Weisbecker
2012-06-27 12:35               ` Frederic Weisbecker
2012-06-27 19:38         ` David Rientjes
2012-06-27 19:38           ` David Rientjes
2012-06-27 19:38           ` David Rientjes
2012-06-28  9:01           ` Glauber Costa
2012-06-28  9:01             ` Glauber Costa
2012-06-28 22:25             ` Andrew Morton
2012-06-28 22:25               ` Andrew Morton
2012-07-03 11:38               ` Glauber Costa
2012-07-03 11:38                 ` Glauber Costa
2012-07-03 11:38                 ` Glauber Costa
2012-07-12 15:40                 ` Frederic Weisbecker
2012-07-12 15:40                   ` Frederic Weisbecker
2012-08-07 13:59               ` Glauber Costa
2012-08-07 13:59                 ` Glauber Costa
2012-08-07 13:59                 ` Glauber Costa
2012-08-08 14:15                 ` Glauber Costa
2012-08-08 14:15                   ` Glauber Costa
2012-08-08 14:15                   ` Glauber Costa

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