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: DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=sender:date:from:to:cc:subject:message-id:references:mime-version :content-type:content-disposition:in-reply-to:user-agent; bh=iYd4rGDBBN+EQOjZgC18EadU/yOo9y0x+jWt1arl2Jk=; b=uXvI0FMlUpHH4/0CsF2BAXyJuX5oRJw7O+LjFfZ5+CkNNIW/qOvyZo6ZPaNhPNHg+/ 4HCIBzNH8gE3Mmfg0D0PZABMIf0eYXOPHBYtdFA37i/gRac3Ljs/izF82lzbIDpC/wZR cp8g7/ljUfvVsJONh9rpQ3AOY8szd0onRujTylMLjKRuGxvtI2Y9DPIcrYFjqzbLmMC3 bCoMKutHBjXd4zaCPY1by19/OKEPRPnIkAEAvCfkk1ry55OHXIK4fwKJKWhD8fnXVN7E jNr/OlBzRU6yQqs9F/RGjjID8+UeoHV1tt9iUaoOZoT+PX7oPY98ADbwr4dgHIaI3wv7 tWoQ== Content-Disposition: inline In-Reply-To: <5056E1FC.1090508-bzQdu9zFT3WakBO8gow8eQ@public.gmane.org> List-Id: 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 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 From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756875Ab2IQRag (ORCPT ); Mon, 17 Sep 2012 13:30:36 -0400 Received: from mail-pb0-f46.google.com ([209.85.160.46]:58488 "EHLO mail-pb0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756354Ab2IQRaa (ORCPT ); Mon, 17 Sep 2012 13:30:30 -0400 Date: Mon, 17 Sep 2012 10:30:24 -0700 From: Tejun Heo To: Glauber Costa Cc: Vivek Goyal , containers@lists.linux-foundation.org, cgroups@vger.kernel.org, linux-kernel@vger.kernel.org, Li Zefan , Michal Hocko , Peter Zijlstra , Paul Turner , Johannes Weiner , Thomas Graf , Paul Mackerras , Ingo Molnar , Arnaldo Carvalho de Melo , Neil Horman , "Aneesh Kumar K.V" , Serge Hallyn Subject: Re: [RFC] cgroup TODOs 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-Disposition: inline In-Reply-To: <5056E1FC.1090508@parallels.com> User-Agent: Mutt/1.5.20 (2009-06-14) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@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