Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1161349AbWHDRuZ (ORCPT ); Fri, 4 Aug 2006 13:50:25 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1161350AbWHDRuZ (ORCPT ); Fri, 4 Aug 2006 13:50:25 -0400 Received: from dvhart.com ([64.146.134.43]:33473 "EHLO dvhart.com") by vger.kernel.org with ESMTP id S1161349AbWHDRuZ (ORCPT ); Fri, 4 Aug 2006 13:50:25 -0400 Message-ID: <44D388DF.8010406@mbligh.org> Date: Fri, 04 Aug 2006 10:50:23 -0700 From: Martin Bligh User-Agent: Mozilla Thunderbird 1.0.7 (X11/20051011) X-Accept-Language: en-us, en MIME-Version: 1.0 To: Kirill Korotaev Cc: vatsa@in.ibm.com, Alan Cox , Andrew Morton , mingo@elte.hu, nickpiggin@yahoo.com.au, sam@vilain.net, linux-kernel@vger.kernel.org, dev@openvz.org, efault@gmx.de, balbir@in.ibm.com, sekharan@us.ibm.com, nagar@watson.ibm.com, haveblue@us.ibm.com, pj@sgi.com Subject: Re: [RFC, PATCH 0/5] Going forward with Resource Management - A cpu controller References: <20060804050753.GD27194@in.ibm.com> <20060803223650.423f2e6a.akpm@osdl.org> <20060803224253.49068b98.akpm@osdl.org> <1154684950.23655.178.camel@localhost.localdomain> <20060804114109.GA28988@in.ibm.com> <44D35F0B.5000801@sw.ru> In-Reply-To: <44D35F0B.5000801@sw.ru> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 734 Lines: 16 > OpenVZ assumes that tasks can't move between task-groups for a single > reason: > user shouldn't be able to escape from the container. > But this have no implication on the design/implementation. It does, for the memory controller at least. Things like shared anon_vma's between tasks across containers make it somewhat harder. It's much worse if you allow threads to split across containers. > BTW, do you see any practical use cases for tasks jumping between > resource-containers? - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/