From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tejun Heo 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: Tue, 11 Sep 2012 10:43:19 -0700 Message-ID: <20120911174319.GO7677@google.com> References: <20120910223125.GC7677@google.com> <20120910223355.GD7677@google.com> <504F30DB.60808@huawei.com> <20120911170837.GM7677@google.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Content-Disposition: inline In-Reply-To: <20120911170837.GM7677-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: containers-bounces-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org Errors-To: containers-bounces-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org To: Li Zefan Cc: Neil Horman , "Serge E. Hallyn" , containers-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Michal Hocko , Ingo Molnar , Paul Mackerras , "Aneesh Kumar K.V" , Arnaldo Carvalho de Melo , Johannes Weiner , Thomas Graf , cgroups-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Paul Turner , Vivek Goyal List-Id: containers.vger.kernel.org Hello, On Tue, Sep 11, 2012 at 10:08:37AM -0700, Tejun Heo wrote: > > So isn't cpuset broken too? child cpuset's cpu mask isn't necessary a subset > > of the parent's if the cpu_exclusive flag is not set. > > Heh, didn't even look at that. Just assumed it was in the same boat > w/ cpu{acct}. Will take a look. Hmm... Looked at it and I don't think hierarchy support is broken w/ or w/o exclusive. Can you please elaborate? Thanks. -- tejun