Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758864AbYHEQ0V (ORCPT ); Tue, 5 Aug 2008 12:26:21 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1755565AbYHEQ0L (ORCPT ); Tue, 5 Aug 2008 12:26:11 -0400 Received: from e31.co.us.ibm.com ([32.97.110.149]:33609 "EHLO e31.co.us.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752754AbYHEQ0K (ORCPT ); Tue, 5 Aug 2008 12:26:10 -0400 Subject: Re: Too many I/O controller patches From: Dave Hansen To: Paul Menage Cc: righi.andrea@gmail.com, xen-devel@lists.xensource.com, containers@lists.linux-foundation.org, linux-kernel@vger.kernel.org, virtualization@lists.linux-foundation.org, dm-devel@redhat.com, agk@sourceware.org In-Reply-To: <6599ad830808042255y59215481l5463d4dca9fb2001@mail.gmail.com> References: <20080804.175126.193692178.ryov@valinux.co.jp> <1217870433.20260.101.camel@nimitz> <489748E6.5080106@gmail.com> <1217876521.20260.123.camel@nimitz> <48976A2A.9060600@gmail.com> <6599ad830808042255y59215481l5463d4dca9fb2001@mail.gmail.com> Content-Type: text/plain Date: Tue, 05 Aug 2008 09:25:37 -0700 Message-Id: <1217953537.10907.30.camel@nimitz> Mime-Version: 1.0 X-Mailer: Evolution 2.22.2 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 799 Lines: 22 On Mon, 2008-08-04 at 22:55 -0700, Paul Menage wrote: > > As Dave suggested, I think it would make more sense to have your > page-dirtying throttle points hook into the memory controller instead, > and allow the memory controller to track/limit dirty pages for a > cgroup, and potentially do throttling as part of that. Yeah, I'm sure we're going to have to get to setting the dirty ratio $ cat /proc/sys/vm/dirty_ratio 40 on a per-container basis at *some* point. We might as well do it earlier rather than later. -- Dave -- 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/