From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751140AbWHVJnW (ORCPT ); Tue, 22 Aug 2006 05:43:22 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751379AbWHVJnW (ORCPT ); Tue, 22 Aug 2006 05:43:22 -0400 Received: from outpipe-village-512-1.bc.nu ([81.2.110.250]:29921 "EHLO lxorguk.ukuu.org.uk") by vger.kernel.org with ESMTP id S1751140AbWHVJnV (ORCPT ); Tue, 22 Aug 2006 05:43:21 -0400 Subject: Re: [ckrm-tech] [RFC][PATCH] UBC: user resource beancounters From: Alan Cox To: rohitseth@google.com Cc: sekharan@us.ibm.com, Kirill Korotaev , Rik van Riel , ckrm-tech@lists.sourceforge.net, Linux Kernel Mailing List , Andi Kleen , Christoph Hellwig , Andrey Savochkin , devel@openvz.org, hugh@veritas.com, Ingo Molnar , Pavel Emelianov In-Reply-To: <1156211128.11127.37.camel@galaxy.corp.google.com> References: <44E33893.6020700@sw.ru> <1155929992.26155.60.camel@linuxchandra> <44E9B3F5.3010000@sw.ru> <1156196721.6479.67.camel@linuxchandra> <1156211128.11127.37.camel@galaxy.corp.google.com> Content-Type: text/plain Content-Transfer-Encoding: 7bit Date: Tue, 22 Aug 2006 11:02:50 +0100 Message-Id: <1156240970.27114.5.camel@localhost.localdomain> Mime-Version: 1.0 X-Mailer: Evolution 2.6.2 (2.6.2-1.fc5.5) Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Ar Llu, 2006-08-21 am 18:45 -0700, ysgrifennodd Rohit Seth: > I think as the tasks move around, it becomes very heavy to move all the > pages belonging to previous container to a new container. Its not a meaningful thing to do. Remember an object may be passed around or shared. The simple "creator pays" model avoids all the heavy overheads while maintaining the constraints. Its only user space pages that some of this (AS and RSS) become interesting as "movable" objects