From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tejun Heo Subject: Re: [RFC] cgroup TODOs Date: Mon, 17 Sep 2012 10:30:24 -0700 Message-ID: <20120917173024.GC18677@google.com> References: <20120913205827.GO7677@google.com> <20120914180754.GF6221@redhat.com> <20120914185324.GI17747@google.com> <20120914192840.GG6221@redhat.com> <20120914194439.GP17747@google.com> <20120914194950.GQ17747@google.com> <20120914203925.GR17747@google.com> <5056E1FC.1090508@parallels.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Content-Disposition: inline In-Reply-To: <5056E1FC.1090508-bzQdu9zFT3WakBO8gow8eQ@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: Glauber Costa Cc: Neil Horman , containers-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org, Serge Hallyn , linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Michal Hocko , Paul Mackerras , "Aneesh Kumar K.V" , Arnaldo Carvalho de Melo , Johannes Weiner , Thomas Graf , cgroups-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Paul Turner , Ingo Molnar , Vivek Goyal List-Id: containers.vger.kernel.org On Mon, Sep 17, 2012 at 12:40:28PM +0400, Glauber Costa wrote: > That is exactly what I proposed in our previous discussions around > memcg, with files like "available_controllers" , "current_controllers". > Name chosen to match what other subsystems already do. > > if memcg is not in "available_controllers" for a node, it cannot be seen > by anyone bellow that level. Glauber, I was talking about making the switch applicable from the current level *INSTEAD OF* anyone below the current level, so that we don't have to apply the same switch on all siblings. I have no idea why this is causing so much miscommunication. :( -- tejun