From: Li Zefan <lizefan-hv44wF8Li93QT0dZR+AlfA@public.gmane.org>
To: Tejun Heo <tj-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
Cc: Neil Horman <nhorman-2XuSBdqkA4R54TAoqtyWWQ@public.gmane.org>,
"Serge E. Hallyn" <serue-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>,
containers-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org,
linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
Michal Hocko <mhocko-AlSwsSmVLrQ@public.gmane.org>,
Ingo Molnar <mingo-H+wXaHxf7aLQT0dZR+AlfA@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>,
Vivek Goyal <vgoyal-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
Subject: Re: [PATCH REPOST RFC cgroup/for-3.7] cgroup: mark subsystems with broken hierarchy support and whine if cgroups are nested for them
Date: Thu, 13 Sep 2012 14:48:02 +0800 [thread overview]
Message-ID: <505181A2.1040004@huawei.com> (raw)
In-Reply-To: <20120912163433.GL7677-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>
On 2012/9/13 0:34, Tejun Heo wrote:
> Hello,
>
> On Wed, Sep 12, 2012 at 01:37:28PM +0400, Glauber Costa wrote:
>> "If a cpuset is cpu or mem exclusive, no other cpuset, other than
>> a direct ancestor or descendant, may share any of the same CPUs or
>> Memory Nodes."
>>
>> So I think it tricked me as well. I was under the impression that
>> "exclusive" would also disallow the kids.
>
> You two are confusing me even more. AFAICS, the hierarchical
> properties don't seem to change whether exclusive is set or not. It
> still ensures children can't have something parent doesn't allow and
> exclusive applies to whether to share something with siblings, so I
> don't think anything is broken hierarchy-wise. Am I missing
> something? If so, please be explicit and elaborate where and how it's
> broken.
>
Ignore it. I misunderstood the exclusive flag. Sorry for the noise.
WARNING: multiple messages have this Message-ID (diff)
From: Li Zefan <lizefan@huawei.com>
To: Tejun Heo <tj@kernel.org>
Cc: Glauber Costa <glommer@parallels.com>,
<linux-kernel@vger.kernel.org>,
<containers@lists.linux-foundation.org>,
<cgroups@vger.kernel.org>, Michal Hocko <mhocko@suse.cz>,
Peter Zijlstra <peterz@infradead.org>,
Paul Turner <pjt@google.com>,
Johannes Weiner <hannes@cmpxchg.org>, Thomas Graf <tgraf@suug.ch>,
"Serge E. Hallyn" <serue@us.ibm.com>,
Vivek Goyal <vgoyal@redhat.com>,
Paul Mackerras <paulus@samba.org>, Ingo Molnar <mingo@redhat.com>,
Arnaldo Carvalho de Melo <acme@ghostprotocols.net>,
Neil Horman <nhorman@tuxdriver.com>,
"Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com>
Subject: Re: [PATCH REPOST RFC cgroup/for-3.7] cgroup: mark subsystems with broken hierarchy support and whine if cgroups are nested for them
Date: Thu, 13 Sep 2012 14:48:02 +0800 [thread overview]
Message-ID: <505181A2.1040004@huawei.com> (raw)
In-Reply-To: <20120912163433.GL7677@google.com>
On 2012/9/13 0:34, Tejun Heo wrote:
> Hello,
>
> On Wed, Sep 12, 2012 at 01:37:28PM +0400, Glauber Costa wrote:
>> "If a cpuset is cpu or mem exclusive, no other cpuset, other than
>> a direct ancestor or descendant, may share any of the same CPUs or
>> Memory Nodes."
>>
>> So I think it tricked me as well. I was under the impression that
>> "exclusive" would also disallow the kids.
>
> You two are confusing me even more. AFAICS, the hierarchical
> properties don't seem to change whether exclusive is set or not. It
> still ensures children can't have something parent doesn't allow and
> exclusive applies to whether to share something with siblings, so I
> don't think anything is broken hierarchy-wise. Am I missing
> something? If so, please be explicit and elaborate where and how it's
> broken.
>
Ignore it. I misunderstood the exclusive flag. Sorry for the noise.
next prev parent reply other threads:[~2012-09-13 6:48 UTC|newest]
Thread overview: 77+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-09-10 22:31 [PATCH RFC cgroup/for-3.7] cgroup: mark subsystems with broken hierarchy support and whine if cgroups are nested for them Tejun Heo
[not found] ` <20120910223125.GC7677-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>
2012-09-10 22:33 ` [PATCH REPOST " Tejun Heo
2012-09-10 22:33 ` Tejun Heo
2012-09-10 22:33 ` Tejun Heo
[not found] ` <20120910223355.GD7677-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>
2012-09-11 10:04 ` Michal Hocko
2012-09-11 10:04 ` Michal Hocko
[not found] ` <20120911100433.GC8058-2MMpYkNvuYDjFM9bn6wA6Q@public.gmane.org>
2012-09-11 17:07 ` Tejun Heo
2012-09-11 17:07 ` Tejun Heo
[not found] ` <20120911170746.GL7677-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>
2012-09-12 15:47 ` Michal Hocko
2012-09-12 15:47 ` Michal Hocko
[not found] ` <20120912154745.GV21579-2MMpYkNvuYDjFM9bn6wA6Q@public.gmane.org>
2012-09-12 16:41 ` Tejun Heo
2012-09-12 16:41 ` Tejun Heo
2012-09-12 15:47 ` Michal Hocko
2012-09-11 17:07 ` Tejun Heo
2012-09-12 9:31 ` Glauber Costa
[not found] ` <5050568B.9090601-bzQdu9zFT3WakBO8gow8eQ@public.gmane.org>
2012-09-12 15:49 ` Michal Hocko
2012-09-12 15:49 ` Michal Hocko
[not found] ` <20120912154907.GW21579-2MMpYkNvuYDjFM9bn6wA6Q@public.gmane.org>
2012-09-12 17:11 ` Tejun Heo
2012-09-12 17:11 ` Tejun Heo
[not found] ` <20120912171120.GP7677-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>
2012-09-13 12:01 ` Glauber Costa
[not found] ` <5051CB24.4010801-bzQdu9zFT3WakBO8gow8eQ@public.gmane.org>
2012-09-13 17:21 ` Tejun Heo
2012-09-13 17:21 ` Tejun Heo
2012-09-13 12:14 ` Michal Hocko
2012-09-13 12:14 ` Michal Hocko
[not found] ` <20120913121438.GC8055-2MMpYkNvuYDjFM9bn6wA6Q@public.gmane.org>
2012-09-13 17:18 ` Tejun Heo
2012-09-13 17:18 ` Tejun Heo
[not found] ` <20120913171832.GY7677-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>
2012-09-13 17:39 ` Michal Hocko
2012-09-13 17:39 ` Michal Hocko
[not found] ` <20120913173958.GA21381-2MMpYkNvuYDjFM9bn6wA6Q@public.gmane.org>
2012-09-14 8:19 ` Glauber Costa
[not found] ` <5052E87A.1050405-bzQdu9zFT3WakBO8gow8eQ@public.gmane.org>
2012-09-14 19:15 ` Tejun Heo
2012-09-14 19:15 ` Tejun Heo
[not found] ` <20120914191509.GN17747-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>
2012-09-17 9:11 ` Glauber Costa
2012-09-11 12:38 ` Li Zefan
2012-09-11 12:38 ` Li Zefan
[not found] ` <504F30DB.60808-hv44wF8Li93QT0dZR+AlfA@public.gmane.org>
2012-09-11 17:08 ` Tejun Heo
2012-09-11 17:08 ` Tejun Heo
2012-09-11 17:08 ` Tejun Heo
[not found] ` <20120911170837.GM7677-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>
2012-09-11 17:43 ` Tejun Heo
2012-09-11 17:43 ` Tejun Heo
[not found] ` <20120911174319.GO7677-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>
2012-09-12 9:37 ` Glauber Costa
[not found] ` <505057D8.4010908-bzQdu9zFT3WakBO8gow8eQ@public.gmane.org>
2012-09-12 16:34 ` Tejun Heo
2012-09-12 16:34 ` Tejun Heo
[not found] ` <20120912163433.GL7677-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>
2012-09-13 6:48 ` Li Zefan [this message]
2012-09-13 6:48 ` Li Zefan
2012-09-12 9:34 ` Glauber Costa
2012-09-11 12:38 ` Li Zefan
2012-09-11 18:23 ` [PATCH UPDATED " Tejun Heo
2012-09-11 18:23 ` Tejun Heo
[not found] ` <20120911182356.GR7677-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>
2012-09-11 20:50 ` Aristeu Rozanski
2012-09-11 20:50 ` Aristeu Rozanski
[not found] ` <20120911205027.GA25837-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2012-09-11 20:51 ` Tejun Heo
2012-09-11 20:51 ` Tejun Heo
2012-09-11 20:51 ` Tejun Heo
2012-09-11 18:23 ` Tejun Heo
2012-09-13 12:16 ` [PATCH REPOST " Daniel P. Berrange
2012-09-13 12:16 ` Daniel P. Berrange
[not found] ` <20120913121629.GL7767-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2012-09-13 17:52 ` Tejun Heo
2012-09-13 17:52 ` Tejun Heo
2012-09-13 17:52 ` Tejun Heo
2012-09-11 14:51 ` [PATCH " Vivek Goyal
2012-09-11 14:54 ` Vivek Goyal
2012-09-11 17:16 ` Tejun Heo
2012-09-11 17:35 ` Vivek Goyal
2012-09-11 17:55 ` Tejun Heo
2012-09-11 18:16 ` Vivek Goyal
2012-09-11 18:22 ` Tejun Heo
2012-09-11 18:38 ` Vivek Goyal
[not found] ` <50505C39.1050600@parallels.com>
2012-09-12 17:09 ` Tejun Heo
2012-09-13 14:53 ` Block IO controller hierarchy suppport (Was: Re: [PATCH RFC cgroup/for-3.7] cgroup: mark subsystems with broken hierarchy support and whine if cgroups are nested for them) Vivek Goyal
2012-09-13 22:06 ` Tejun Heo
2012-09-14 2:53 ` Vivek Goyal
[not found] ` <5052E8DA.1000106@parallels.com>
2012-09-14 13:22 ` Vivek Goyal
[not found] ` <5051CBAA.5040308@parallels.com>
2012-09-13 17:54 ` [PATCH RFC cgroup/for-3.7] cgroup: mark subsystems with broken hierarchy support and whine if cgroups are nested for them Tejun Heo
[not found] ` <5052E931.8000007@parallels.com>
2012-09-14 18:56 ` Tejun Heo
[not found] ` <505055E5.90903@parallels.com>
2012-09-12 17:03 ` Tejun Heo
[not found] ` <5051C954.2080600@parallels.com>
2012-09-13 17:48 ` Tejun Heo
[not found] ` <5052E9BC.2020908@parallels.com>
2012-09-17 7:59 ` Daniel Wagner
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