From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756345AbYIJWcG (ORCPT ); Wed, 10 Sep 2008 18:32:06 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753326AbYIJWbx (ORCPT ); Wed, 10 Sep 2008 18:31:53 -0400 Received: from 74-93-104-97-Washington.hfc.comcastbusiness.net ([74.93.104.97]:42720 "EHLO sunset.davemloft.net" rhost-flags-OK-FAIL-OK-OK) by vger.kernel.org with ESMTP id S1751956AbYIJWbw (ORCPT ); Wed, 10 Sep 2008 18:31:52 -0400 Date: Wed, 10 Sep 2008 15:31:46 -0700 (PDT) Message-Id: <20080910.153146.143573430.davem@davemloft.net> To: dave@linux.vnet.ibm.com Cc: balbir@linux.vnet.ibm.com, kamezawa.hiroyu@jp.fujitsu.com, nickpiggin@yahoo.com.au, akpm@linux-foundation.org, hugh@veritas.com, menage@google.com, xemul@openvz.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org Subject: Re: [Approach #2] [RFC][PATCH] Remove cgroup member from struct page From: David Miller In-Reply-To: <1221085260.6781.69.camel@nimitz> References: <30229398.1220963412858.kamezawa.hiroyu@jp.fujitsu.com> <20080910012048.GA32752@balbir.in.ibm.com> <1221085260.6781.69.camel@nimitz> X-Mailer: Mew version 6.1 on Emacs 22.1 / Mule 5.0 (SAKAKI) Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Dave Hansen Date: Wed, 10 Sep 2008 15:21:00 -0700 > This will really suck for sparse memory machines. Imagine a machine > with 1GB of memory at 0x0 and another 1GB of memory at 1TB up in the > address space. You just described the workstation I am typing this from :-)