From: Tejun Heo <tj-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
To: Glauber Costa <glommer-bzQdu9zFT3WakBO8gow8eQ@public.gmane.org>
Cc: Neil Horman <nhorman-2XuSBdqkA4R54TAoqtyWWQ@public.gmane.org>,
containers-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org,
Michal Hocko <mhocko-AlSwsSmVLrQ@public.gmane.org>,
Paul Mackerras <paulus-eUNUBHrolfbYtjvyW6yDsg@public.gmane.org>,
"Aneesh Kumar K.V"
<aneesh.kumar-23VcF4HTsmIX0ybBhKVfKdBPR1lH4CV8@public.gmane.org>,
Arnaldo Carvalho de Melo
<acme-f8uhVLnGfZaxAyOMLChx1axOck334EZe@public.gmane.org>,
Johannes Weiner <hannes-druUgvl0LCNAfugRpC6u6w@public.gmane.org>,
Thomas Graf <tgraf-G/eBtMaohhA@public.gmane.org>,
cgroups-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
Paul Turner <pjt-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>,
Ingo Molnar <mingo-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>,
Vivek Goyal <vgoyal-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
Subject: Re: [PATCH v4 cgroup/for-3.7] cgroup: mark subsystems with broken hierarchy support and whine if cgroups are nested for them
Date: Fri, 14 Sep 2012 14:06:22 -0700 [thread overview]
Message-ID: <20120914210622.GU17747@google.com> (raw)
In-Reply-To: <5052F61A.3040602-bzQdu9zFT3WakBO8gow8eQ@public.gmane.org>
Hello, Glauber.
On Fri, Sep 14, 2012 at 01:17:14PM +0400, Glauber Costa wrote:
> > I side with Vivek, and I think we should warn first level. It just tends
> > to be wrong. If memcg is a special case, just special case it.
> > _but_, I see no reason not to do it.
The issue at hand is how to handle tasks vs. sub-cgroups in the same
cgroup. memcg doesn't factor into this because it doesn't implement
proportional control. No matter which way we decide, it doesn't
matter for memcg.
Thanks.
--
tejun
next prev parent reply other threads:[~2012-09-14 21:06 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-09-13 18:34 [PATCH cgroup/for-3.7] cgroup: mark subsystems with broken hierarchy support and whine if cgroups are nested for them Tejun Heo
[not found] ` <20120913183402.GG7677-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>
2012-09-13 18:46 ` Michal Hocko
2012-09-13 19:20 ` [PATCH v4 " Tejun Heo
[not found] ` <20120913192058.GH7677-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>
2012-09-13 19:27 ` Michal Hocko
2012-09-13 19:41 ` Vivek Goyal
[not found] ` <20120913194111.GM4396-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2012-09-13 20:03 ` Tejun Heo
[not found] ` <20120913200354.GN7677-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>
2012-09-13 20:17 ` Vivek Goyal
2012-09-14 9:14 ` Glauber Costa
[not found] ` <5052F58E.4050808-bzQdu9zFT3WakBO8gow8eQ@public.gmane.org>
2012-09-14 9:17 ` Glauber Costa
[not found] ` <5052F61A.3040602-bzQdu9zFT3WakBO8gow8eQ@public.gmane.org>
2012-09-14 21:06 ` Tejun Heo [this message]
2012-09-14 4:55 ` Serge Hallyn
2012-09-14 7:48 ` Li Zefan
2012-09-14 9:11 ` Glauber Costa
2012-09-14 19:06 ` Tejun Heo
[not found] ` <20120914190608.GM17747-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>
2012-09-18 15:04 ` Michal Hocko
[not found] ` <20120918150404.GC19840-2MMpYkNvuYDjFM9bn6wA6Q@public.gmane.org>
2012-09-18 16:27 ` Tejun Heo
[not found] ` <CAOS58YPjEE-+Kak_XidAd5qT84pZKt_z=4_MXadHYvzP+yZ5+Q-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2012-09-18 16:33 ` Michal Hocko
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