From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752284AbXCLXnh (ORCPT ); Mon, 12 Mar 2007 19:43:37 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752436AbXCLXnh (ORCPT ); Mon, 12 Mar 2007 19:43:37 -0400 Received: from MAIL.13thfloor.at ([213.145.232.33]:58521 "EHLO MAIL.13thfloor.at" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752421AbXCLXng (ORCPT ); Mon, 12 Mar 2007 19:43:36 -0400 Date: Tue, 13 Mar 2007 00:43:35 +0100 From: Herbert Poetzl To: Balbir Singh Cc: Andrew Morton , Pavel Emelianov , Kirill@osdl.org, Linux@osdl.org, containers@lists.osdl.org, Paul Menage , List Subject: Re: [RFC][PATCH 2/7] RSS controller core Message-ID: <20070312234335.GA11578@MAIL.13thfloor.at> Mail-Followup-To: Balbir Singh , Andrew Morton , Pavel Emelianov , Kirill@osdl.org, Linux@osdl.org, containers@lists.osdl.org, Paul Menage , List References: <45ED7DEC.7010403@sw.ru> <45ED80E1.7030406@sw.ru> <20070306140036.4e85bd2f.akpm@linux-foundation.org> <20070309164855.GB3647@MAIL.13thfloor.at> <661de9470703120255k4c4c1d0fy97a2b7a033c7b5b1@mail.gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <661de9470703120255k4c4c1d0fy97a2b7a033c7b5b1@mail.gmail.com> User-Agent: Mutt/1.5.11 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Mar 12, 2007 at 03:25:07PM +0530, Balbir Singh wrote: > > doesn't look so good for me, mainly becaus of the > > additional per page data and per page processing > > > > on 4GB memory, with 100 guests, 50% shared for each > > guest, this basically means ~1mio pages, 500k shared > > and 1500k x sizeof(page_container) entries, which > > roughly boils down to ~25MB of wasted memory ... > > > > increase the amount of shared pages and it starts > > getting worse, but maybe I'm missing something here > > > > > We need to decide whether we want to do per-container memory > > > limitation via these data structures, or whether we do it via > > > a physical scan of some software zone, possibly based on Mel's > > > patches. > > > > why not do simple page accounting (as done currently > > in Linux) and use that for the limits, without > > keeping the reference from container to page? > > > > best, > > Herbert > > > > Herbert, > > You lost me in the cc list and I almost missed this part of the > thread. hmm, it is very unlikely that this would happen, for several reasons ... and indeed, checking the thread in my mailbox shows that akpm dropped you ... -------------------------------------------------------------------- Subject: [RFC][PATCH 2/7] RSS controller core From: Pavel Emelianov To: Andrew Morton , Paul Menage , Srivatsa Vaddagiri , Balbir Singh Cc: containers@lists.osdl.org, Linux Kernel Mailing List Date: Tue, 06 Mar 2007 17:55:29 +0300 -------------------------------------------------------------------- Subject: Re: [RFC][PATCH 2/7] RSS controller core From: Andrew Morton To: Pavel Emelianov Cc: Kirill@smtp.osdl.org, Linux@smtp.osdl.org, containers@lists.osdl.org, Paul Menage , List Date: Tue, 6 Mar 2007 14:00:36 -0800 -------------------------------------------------------------------- that's the one I 'group' replied to ... > Could you please not modify the "cc" list. I never modify the cc unless explicitely asked to do so. I wish others would have it that way too :) best, Herbert > Thanks, > Balbir > _______________________________________________ > Containers mailing list > Containers@lists.osdl.org > https://lists.osdl.org/mailman/listinfo/containers