Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1030200AbWIEQxu (ORCPT ); Tue, 5 Sep 2006 12:53:50 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1030204AbWIEQxu (ORCPT ); Tue, 5 Sep 2006 12:53:50 -0400 Received: from e35.co.us.ibm.com ([32.97.110.153]:61414 "EHLO e35.co.us.ibm.com") by vger.kernel.org with ESMTP id S1030200AbWIEQxs (ORCPT ); Tue, 5 Sep 2006 12:53:48 -0400 Message-ID: <44FDAB81.5050608@in.ibm.com> Date: Tue, 05 Sep 2006 22:23:21 +0530 From: Balbir Singh Reply-To: balbir@in.ibm.com Organization: IBM India Private Limited User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.8.0.6) Gecko/20060730 SeaMonkey/1.0.4 MIME-Version: 1.0 To: Kirill Korotaev Cc: Andrew Morton , Linux Kernel Mailing List , Alan Cox , Christoph Hellwig , Pavel Emelianov , Andrey Savochkin , devel@openvz.org, Rik van Riel , Andi Kleen , Oleg Nesterov , Alexey Dobriyan , Matt Helsley , CKRM-Tech , Hugh Dickins , Srivatsa , Dave Hansen Subject: Re: [ckrm-tech] [PATCH] BC: resource beancounters (v4) (added user memory) References: <44FD918A.7050501@sw.ru> In-Reply-To: <44FD918A.7050501@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: 1066 Lines: 30 Kirill Korotaev wrote: > Core Resource Beancounters (BC) + kernel/user memory control. > > BC allows to account and control consumption > of kernel resources used by group of processes. > > Draft UBC description on OpenVZ wiki can be found at > http://wiki.openvz.org/UBC_parameters > > The full BC patch set allows to control: > - kernel memory. All the kernel objects allocatable > on user demand should be accounted and limited > for DoS protection. > E.g. page tables, task structs, vmas etc. One of the key requirements of resource management for us is to be able to migrate tasks across resource groups. Since bean counters do not associate a list of tasks associated with them, I do not see how this can be done with the existing bean counters. -- Balbir Singh, Linux Technology Center, IBM Software Labs - 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/