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From: Roman Gushchin <klamm@yandex-team.ru>
To: Michal Hocko <mhocko@suse.cz>,
	Johannes Weiner <hannes@cmpxchg.org>,
	Andrew Morton <akpm@linux-foundation.org>,
	KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>,
	Greg Thelen <gthelen@google.com>,
	Michel Lespinasse <walken@google.com>, Tejun Heo <tj@kernel.org>,
	Hugh Dickins <hughd@google.com>,
	LKML <linux-kernel@vger.kernel.org>,
	"linux-mm@kvack.org" <linux-mm@kvack.org>
Subject: Re: [PATCH v2 0/4] memcg: Low-limit reclaim
Date: Mon, 28 Apr 2014 19:46:48 +0400	[thread overview]
Message-ID: <10861398700008@webcorp2f.yandex-team.ru> (raw)
In-Reply-To: <1398688005-26207-1-git-send-email-mhocko@suse.cz>

28.04.2014, 16:27, "Michal Hocko" <mhocko@suse.cz>:
> The series is based on top of the current mmotm tree. Once the series
> gets accepted I will post a patch which will mark the soft limit as
> deprecated with a note that it will be eventually dropped. Let me know
> if you would prefer to have such a patch a part of the series.
>
> Thoughts?


Looks good to me.

The only question is: are there any ideas how the hierarchy support
will be used in this case in practice?
Will someone set low limit for non-leaf cgroups? Why?

Thanks,
Roman

WARNING: multiple messages have this Message-ID (diff)
From: Roman Gushchin <klamm@yandex-team.ru>
To: Michal Hocko <mhocko@suse.cz>,
	Johannes Weiner <hannes@cmpxchg.org>,
	Andrew Morton <akpm@linux-foundation.org>,
	KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>,
	Greg Thelen <gthelen@google.com>,
	Michel Lespinasse <walken@google.com>, Tejun Heo <tj@kernel.org>,
	Hugh Dickins <hughd@google.com>,
	LKML <linux-kernel@vger.kernel.org>,
	"linux-mm@kvack.org" <linux-mm@kvack.org>
Subject: Re: [PATCH v2 0/4] memcg: Low-limit reclaim
Date: Mon, 28 Apr 2014 19:46:48 +0400	[thread overview]
Message-ID: <10861398700008@webcorp2f.yandex-team.ru> (raw)
In-Reply-To: <1398688005-26207-1-git-send-email-mhocko@suse.cz>

28.04.2014, 16:27, "Michal Hocko" <mhocko@suse.cz>:
> The series is based on top of the current mmotm tree. Once the series
> gets accepted I will post a patch which will mark the soft limit as
> deprecated with a note that it will be eventually dropped. Let me know
> if you would prefer to have such a patch a part of the series.
>
> Thoughts?


Looks good to me.

The only question is: are there any ideas how the hierarchy support
will be used in this case in practice?
Will someone set low limit for non-leaf cgroups? Why?

Thanks,
Roman

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  parent reply	other threads:[~2014-04-28 15:46 UTC|newest]

Thread overview: 196+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-04-28 12:26 [PATCH v2 0/4] memcg: Low-limit reclaim Michal Hocko
2014-04-28 12:26 ` Michal Hocko
2014-04-28 12:26 ` [PATCH 1/4] memcg, mm: introduce lowlimit reclaim Michal Hocko
2014-04-28 12:26   ` Michal Hocko
2014-04-30 22:55   ` Johannes Weiner
2014-04-30 22:55     ` Johannes Weiner
2014-05-02  9:36     ` Michal Hocko
2014-05-02  9:36       ` Michal Hocko
2014-05-02 12:07       ` Michal Hocko
2014-05-02 12:07         ` Michal Hocko
2014-05-02 13:01         ` Johannes Weiner
2014-05-02 13:01           ` Johannes Weiner
2014-05-02 14:15           ` Michal Hocko
2014-05-02 14:15             ` Michal Hocko
2014-05-02 15:04             ` Johannes Weiner
2014-05-02 15:04               ` Johannes Weiner
2014-05-02 15:11               ` Michal Hocko
2014-05-02 15:11                 ` Michal Hocko
2014-05-02 15:34                 ` Johannes Weiner
2014-05-02 15:34                   ` Johannes Weiner
2014-05-02 15:48                   ` Michal Hocko
2014-05-02 15:48                     ` Michal Hocko
2014-05-06 19:58                     ` Michal Hocko
2014-05-06 19:58                       ` Michal Hocko
2014-05-02 15:58       ` Johannes Weiner
2014-05-02 15:58         ` Johannes Weiner
2014-05-02 16:49         ` Michal Hocko
2014-05-02 16:49           ` Michal Hocko
2014-05-02 22:00           ` Johannes Weiner
2014-05-02 22:00             ` Johannes Weiner
2014-05-05 14:21             ` Michal Hocko
2014-05-05 14:21               ` Michal Hocko
2014-05-19 16:18               ` Michal Hocko
2014-05-19 16:18                 ` Michal Hocko
2014-06-11 15:15               ` Johannes Weiner
2014-06-11 15:15                 ` Johannes Weiner
2014-06-11 16:08                 ` Michal Hocko
2014-06-11 16:08                   ` Michal Hocko
2014-05-06 13:29             ` Johannes Weiner
2014-05-06 14:32               ` Michal Hocko
2014-05-06 14:32                 ` Michal Hocko
2014-05-06 15:21                 ` Johannes Weiner
2014-05-06 15:21                   ` Johannes Weiner
2014-05-06 16:12                   ` Michal Hocko
2014-05-06 16:12                     ` Michal Hocko
2014-05-06 16:51                     ` Johannes Weiner
2014-05-06 16:51                       ` Johannes Weiner
2014-05-06 18:30                       ` Michal Hocko
2014-05-06 18:30                         ` Michal Hocko
2014-05-06 19:55                         ` Johannes Weiner
2014-05-06 19:55                           ` Johannes Weiner
2014-04-28 12:26 ` [PATCH 2/4] memcg: Allow setting low_limit Michal Hocko
2014-04-28 12:26   ` Michal Hocko
2014-04-28 12:26 ` [PATCH 3/4] memcg, doc: clarify global vs. limit reclaims Michal Hocko
2014-04-28 12:26   ` Michal Hocko
2014-04-30 23:03   ` Johannes Weiner
2014-04-30 23:03     ` Johannes Weiner
2014-05-02  9:43     ` Michal Hocko
2014-05-02  9:43       ` Michal Hocko
2014-05-06 19:56       ` Michal Hocko
2014-05-06 19:56         ` Michal Hocko
2014-04-28 12:26 ` [PATCH 4/4] memcg: Document memory.low_limit_in_bytes Michal Hocko
2014-04-28 12:26   ` Michal Hocko
2014-04-30 22:57   ` Johannes Weiner
2014-04-30 22:57     ` Johannes Weiner
2014-05-02  9:46     ` Michal Hocko
2014-05-02  9:46       ` Michal Hocko
2014-04-28 15:46 ` Roman Gushchin [this message]
2014-04-28 15:46   ` [PATCH v2 0/4] memcg: Low-limit reclaim Roman Gushchin
2014-04-29  7:42   ` Greg Thelen
2014-04-29  7:42     ` Greg Thelen
2014-04-29 10:50     ` Roman Gushchin
2014-04-29 10:50       ` Roman Gushchin
2014-04-29 12:54       ` Michal Hocko
2014-04-29 12:54         ` Michal Hocko
2014-04-30 21:52 ` Andrew Morton
2014-04-30 21:52   ` Andrew Morton
2014-04-30 22:49   ` Johannes Weiner
2014-04-30 22:49     ` Johannes Weiner
2014-05-02 12:03   ` Michal Hocko
2014-05-02 12:03     ` Michal Hocko
2014-04-30 21:59 ` Andrew Morton
2014-04-30 21:59   ` Andrew Morton
2014-05-02 11:22   ` Michal Hocko
2014-05-02 11:22     ` Michal Hocko
2014-05-28 12:10 ` Michal Hocko
2014-05-28 12:10   ` Michal Hocko
2014-05-28 13:49   ` Johannes Weiner
2014-05-28 13:49     ` Johannes Weiner
2014-05-28 14:21     ` Michal Hocko
2014-05-28 14:21       ` Michal Hocko
2014-05-28 15:28       ` Johannes Weiner
2014-05-28 15:28         ` Johannes Weiner
2014-05-28 15:54         ` Michal Hocko
2014-05-28 15:54           ` Michal Hocko
2014-05-28 16:33           ` Johannes Weiner
2014-05-28 16:33             ` Johannes Weiner
2014-06-03 11:07             ` Michal Hocko
2014-06-03 11:07               ` Michal Hocko
2014-06-03 14:22               ` Johannes Weiner
2014-06-03 14:22                 ` Johannes Weiner
2014-06-04 14:46                 ` Michal Hocko
2014-06-04 14:46                   ` Michal Hocko
2014-06-04 15:44                   ` Johannes Weiner
2014-06-04 15:44                     ` Johannes Weiner
2014-06-04 19:18                     ` Hugh Dickins
2014-06-04 19:18                       ` Hugh Dickins
2014-06-04 21:45                       ` Johannes Weiner
2014-06-04 21:45                         ` Johannes Weiner
2014-06-05 14:51                         ` Michal Hocko
2014-06-05 14:51                           ` Michal Hocko
2014-06-05 16:10                           ` Johannes Weiner
2014-06-05 16:10                             ` Johannes Weiner
2014-06-05 16:43                             ` Michal Hocko
2014-06-05 16:43                               ` Michal Hocko
2014-06-05 18:23                               ` Johannes Weiner
2014-06-05 18:23                                 ` Johannes Weiner
2014-06-06 14:44                                 ` Michal Hocko
2014-06-06 14:44                                   ` Michal Hocko
2014-06-06 14:46                                   ` [PATCH 1/2] mm, memcg: allow OOM if no memcg is eligible during direct reclaim Michal Hocko
2014-06-06 14:46                                     ` Michal Hocko
2014-06-06 14:46                                     ` [PATCH 2/2] memcg: Allow hard guarantee mode for low limit reclaim Michal Hocko
2014-06-06 14:46                                       ` Michal Hocko
2014-06-06 15:29                                       ` Tejun Heo
2014-06-06 15:29                                         ` Tejun Heo
2014-06-06 15:34                                         ` Tejun Heo
2014-06-06 15:34                                           ` Tejun Heo
2014-06-09  8:30                                         ` Michal Hocko
2014-06-09  8:30                                           ` Michal Hocko
2014-06-09 13:54                                           ` Tejun Heo
2014-06-09 13:54                                             ` Tejun Heo
2014-06-09 22:52                                       ` Greg Thelen
2014-06-09 22:52                                         ` Greg Thelen
2014-06-10 16:57                                         ` Johannes Weiner
2014-06-10 16:57                                           ` Johannes Weiner
2014-06-10 22:16                                           ` Greg Thelen
2014-06-10 22:16                                             ` Greg Thelen
2014-06-11  7:57                                           ` Michal Hocko
2014-06-11  7:57                                             ` Michal Hocko
2014-06-11  8:00                                             ` [PATCH 1/2] mm, memcg: allow OOM if no memcg is eligible during direct reclaim Michal Hocko
2014-06-11  8:00                                               ` Michal Hocko
2014-06-11  8:00                                               ` [PATCH 2/2] memcg: Allow guarantee reclaim Michal Hocko
2014-06-11  8:00                                                 ` Michal Hocko
2014-06-11 15:36                                                 ` Johannes Weiner
2014-06-11 15:36                                                   ` Johannes Weiner
2014-06-12 13:22                                                   ` Michal Hocko
2014-06-12 13:22                                                     ` Michal Hocko
2014-06-12 13:56                                                     ` Johannes Weiner
2014-06-12 13:56                                                       ` Johannes Weiner
2014-06-12 14:22                                                       ` Michal Hocko
2014-06-12 14:22                                                         ` Michal Hocko
2014-06-12 16:17                                                         ` Tejun Heo
2014-06-12 16:17                                                           ` Tejun Heo
2014-06-16 12:59                                                           ` Michal Hocko
2014-06-16 12:59                                                             ` Michal Hocko
2014-06-16 13:57                                                             ` Tejun Heo
2014-06-16 13:57                                                               ` Tejun Heo
2014-06-16 14:04                                                               ` Michal Hocko
2014-06-16 14:04                                                                 ` Michal Hocko
2014-06-16 14:12                                                                 ` Tejun Heo
2014-06-16 14:12                                                                   ` Tejun Heo
2014-06-16 14:29                                                                   ` Michal Hocko
2014-06-16 14:29                                                                     ` Michal Hocko
2014-06-16 14:40                                                                     ` Tejun Heo
2014-06-16 14:40                                                                       ` Tejun Heo
2014-06-12 16:51                                                         ` Johannes Weiner
2014-06-12 16:51                                                           ` Johannes Weiner
2014-06-16 13:22                                                           ` Michal Hocko
2014-06-16 13:22                                                             ` Michal Hocko
2014-06-11 15:20                                               ` [PATCH 1/2] mm, memcg: allow OOM if no memcg is eligible during direct reclaim Johannes Weiner
2014-06-11 15:20                                                 ` Johannes Weiner
2014-06-11 16:14                                                 ` Michal Hocko
2014-06-11 16:14                                                   ` Michal Hocko
2014-06-11 12:31                                             ` [PATCH 2/2] memcg: Allow hard guarantee mode for low limit reclaim Tejun Heo
2014-06-11 12:31                                               ` Tejun Heo
2014-06-11 14:11                                               ` Michal Hocko
2014-06-11 14:11                                                 ` Michal Hocko
2014-06-11 15:34                                                 ` Tejun Heo
2014-06-11 15:34                                                   ` Tejun Heo
2014-06-05 19:36                       ` [PATCH v2 0/4] memcg: Low-limit reclaim Tejun Heo
2014-06-05 19:36                         ` Tejun Heo
2014-06-05 14:32                     ` Michal Hocko
2014-06-05 14:32                       ` Michal Hocko
2014-06-05 15:43                       ` Johannes Weiner
2014-06-05 15:43                         ` Johannes Weiner
2014-06-05 16:09                         ` Michal Hocko
2014-06-05 16:09                           ` Michal Hocko
2014-06-05 16:46                           ` Johannes Weiner
2014-06-05 16:46                             ` Johannes Weiner
2014-05-28 16:17         ` Greg Thelen
2014-05-28 16:17           ` Greg Thelen
2014-06-03 11:09           ` Michal Hocko
2014-06-03 11:09             ` Michal Hocko
2014-06-03 14:01             ` Greg Thelen
2014-06-03 14:44               ` Michal Hocko
2014-06-03 14:44                 ` Michal Hocko

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