From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757225AbYIIRvO (ORCPT ); Tue, 9 Sep 2008 13:51:14 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1756232AbYIIRu6 (ORCPT ); Tue, 9 Sep 2008 13:50:58 -0400 Received: from e2.ny.us.ibm.com ([32.97.182.142]:43188 "EHLO e2.ny.us.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755767AbYIIRu5 (ORCPT ); Tue, 9 Sep 2008 13:50:57 -0400 Subject: Re: [RFC] [PATCH -mm] cgroup: limit the amount of dirty file pages From: Dave Hansen To: righi.andrea@gmail.com Cc: Balbir Singh , Paul Menage , KAMEZAWA Hiroyuki , David Radford , Marco Innocenti , Fernando Luis =?ISO-8859-1?Q?V=E1zquez?= Cao , containers@lists.linux-foundation.org, LKML , Carl Henrik Lunde , linux-mm@kvack.org, Divyesh Shah , Matt Heaton , Andrew Morton , Naveen Gupta In-Reply-To: <48C6987D.2050905@gmail.com> References: <48C6987D.2050905@gmail.com> Content-Type: text/plain Date: Tue, 09 Sep 2008 10:49:44 -0700 Message-Id: <1220982584.23386.219.camel@nimitz> Mime-Version: 1.0 X-Mailer: Evolution 2.22.3.1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, 2008-09-09 at 17:38 +0200, Andrea Righi wrote: > It allows to control how much dirty file pages a cgroup can have at any > given time. This feature is supposed to be strictly connected to a > generic cgroup IO controller (see below). So, this functions similarly to our global dirty ratio? Is it just intended to keep a cgroup from wedging itself too hard with too many dirty pages, just like the global ratio? -- Dave