From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S936934AbXHHQe6 (ORCPT ); Wed, 8 Aug 2007 12:34:58 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S933695AbXHHQeo (ORCPT ); Wed, 8 Aug 2007 12:34:44 -0400 Received: from e3.ny.us.ibm.com ([32.97.182.143]:50791 "EHLO e3.ny.us.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1765061AbXHHQem (ORCPT ); Wed, 8 Aug 2007 12:34:42 -0400 Subject: Re: [RFC][PATCH 1/5] pagemap: remove file header From: Dave Hansen To: Alan Cox Cc: Matt Mackall , linux-kernel@vger.kernel.org, serue@us.ibm.com In-Reply-To: <20070808023100.222c4d15@the-village.bc.nu> References: <20070807223300.9228E0E0@kernel> <20070808011620.GF30556@waste.org> <20070808023100.222c4d15@the-village.bc.nu> Content-Type: text/plain Date: Wed, 08 Aug 2007 09:34:39 -0700 Message-Id: <1186590879.22283.99.camel@localhost> Mime-Version: 1.0 X-Mailer: Evolution 2.10.1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Wed, 2007-08-08 at 02:31 +0100, Alan Cox wrote: > The information needed to parse /proc/pid/pagemap can be stuck > in /proc/pid/somewherelese. If we ever get page size variations and the > like then /proc/pid/ is going to end up with that information anyway for > ps and friends to use. We do at least have some of this with hugetlbfs. In fact, the current pagemap code bugs out when it hits a huge page area: /home/dave/work/linux/2.6/22/lxc/mm/memory.c:117: bad pgd 1d0000e7. I'll look at fixing that. -- Dave