From: Kamezawa Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
To: Tejun Heo <tj@kernel.org>
Cc: David Rientjes <rientjes@google.com>,
Michal Hocko <mhocko@suse.cz>, Zhouping Liu <zliu@redhat.com>,
linux-mm@kvack.org, Li Zefan <lizefan@huawei.com>,
CAI Qian <caiqian@redhat.com>,
LKML <linux-kernel@vger.kernel.org>,
Andrew Morton <akpm@linux-foundation.org>
Subject: Re: memcg: cat: memory.memsw.* : Operation not supported
Date: Sat, 30 Jun 2012 12:45:41 +0900 [thread overview]
Message-ID: <4FEE7665.6020409@jp.fujitsu.com> (raw)
In-Reply-To: <20120628183145.GE22641@google.com>
(2012/06/29 3:31), Tejun Heo wrote:
> Hello, KAME.
>
> On Thu, Jun 28, 2012 at 01:04:16PM +0900, Kamezawa Hiroyuki wrote:
>>> I still wish it's folded into CONFIG_MEMCG and conditionalized just on
>>> CONFIG_SWAP tho.
>>>
>>
>> In old days, memsw controller was not very stable. So, we devided the config.
>> And, it makes size of memory for swap-device double (adds 2bytes per swapent.)
>> That is the problem.
>
> I see. Do you think it's now reasonable to drop the separate config
> option? Having memcg enabled but swap unaccounted sounds half-broken
> to me.
>
Hmm. Maybe it's ok if we can keep boot option. I'll cook a patch in the next week.
Thanks,
-Kame
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WARNING: multiple messages have this Message-ID (diff)
From: Kamezawa Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
To: Tejun Heo <tj@kernel.org>
Cc: David Rientjes <rientjes@google.com>,
Michal Hocko <mhocko@suse.cz>, Zhouping Liu <zliu@redhat.com>,
linux-mm@kvack.org, Li Zefan <lizefan@huawei.com>,
CAI Qian <caiqian@redhat.com>,
LKML <linux-kernel@vger.kernel.org>,
Andrew Morton <akpm@linux-foundation.org>
Subject: Re: memcg: cat: memory.memsw.* : Operation not supported
Date: Sat, 30 Jun 2012 12:45:41 +0900 [thread overview]
Message-ID: <4FEE7665.6020409@jp.fujitsu.com> (raw)
In-Reply-To: <20120628183145.GE22641@google.com>
(2012/06/29 3:31), Tejun Heo wrote:
> Hello, KAME.
>
> On Thu, Jun 28, 2012 at 01:04:16PM +0900, Kamezawa Hiroyuki wrote:
>>> I still wish it's folded into CONFIG_MEMCG and conditionalized just on
>>> CONFIG_SWAP tho.
>>>
>>
>> In old days, memsw controller was not very stable. So, we devided the config.
>> And, it makes size of memory for swap-device double (adds 2bytes per swapent.)
>> That is the problem.
>
> I see. Do you think it's now reasonable to drop the separate config
> option? Having memcg enabled but swap unaccounted sounds half-broken
> to me.
>
Hmm. Maybe it's ok if we can keep boot option. I'll cook a patch in the next week.
Thanks,
-Kame
next prev parent reply other threads:[~2012-06-30 3:48 UTC|newest]
Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <2a1a74bf-fbb5-4a6e-b958-44fff8debff2@zmail13.collab.prod.int.phx2.redhat.com>
2012-06-27 3:49 ` memcg: cat: memory.memsw.* : Operation not supported Zhouping Liu
2012-06-27 3:49 ` Zhouping Liu
2012-06-27 15:48 ` Michal Hocko
2012-06-27 15:48 ` Michal Hocko
2012-06-27 20:04 ` David Rientjes
2012-06-27 20:04 ` David Rientjes
2012-06-27 20:09 ` Tejun Heo
2012-06-27 20:09 ` Tejun Heo
2012-06-27 20:21 ` David Rientjes
2012-06-27 20:21 ` David Rientjes
2012-06-27 20:24 ` Tejun Heo
2012-06-27 20:24 ` Tejun Heo
2012-06-27 20:26 ` David Rientjes
2012-06-27 20:26 ` David Rientjes
2012-06-28 4:04 ` Kamezawa Hiroyuki
2012-06-28 4:04 ` Kamezawa Hiroyuki
2012-06-28 18:31 ` Tejun Heo
2012-06-28 18:31 ` Tejun Heo
2012-06-30 3:45 ` Kamezawa Hiroyuki [this message]
2012-06-30 3:45 ` Kamezawa Hiroyuki
2013-01-21 8:39 ` Zhouping Liu
2013-01-21 8:39 ` Zhouping Liu
2013-01-21 10:56 ` Michal Hocko
2013-01-21 10:56 ` Michal Hocko
2013-01-21 11:12 ` Michal Hocko
2013-01-21 11:12 ` Michal Hocko
2013-01-21 13:27 ` Zhouping Liu
2013-01-21 13:27 ` Zhouping Liu
2013-01-21 13:46 ` Michal Hocko
2013-01-21 13:46 ` Michal Hocko
2012-06-29 7:16 ` Glauber Costa
2012-06-29 7:16 ` Glauber Costa
2012-06-28 12:36 ` Michal Hocko
2012-06-28 12:36 ` Michal Hocko
2012-06-28 18:29 ` Tejun Heo
2012-06-28 18:29 ` Tejun Heo
2012-06-29 0:11 ` Kamezawa Hiroyuki
2012-06-29 0:11 ` Kamezawa Hiroyuki
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