From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from e35.co.us.ibm.com ([32.97.110.153]:39813 "EHLO e35.co.us.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1760126AbXHVWz7 (ORCPT ); Wed, 22 Aug 2007 18:55:59 -0400 Received: from d03relay04.boulder.ibm.com (d03relay04.boulder.ibm.com [9.17.195.106]) by e35.co.us.ibm.com (8.13.8/8.13.8) with ESMTP id l7MMtq70023806 for ; Wed, 22 Aug 2007 18:55:52 -0400 Received: from d03av02.boulder.ibm.com (d03av02.boulder.ibm.com [9.17.195.168]) by d03relay04.boulder.ibm.com (8.13.8/8.13.8/NCO v8.5) with ESMTP id l7MMtq9j177096 for ; Wed, 22 Aug 2007 16:55:52 -0600 Received: from d03av02.boulder.ibm.com (loopback [127.0.0.1]) by d03av02.boulder.ibm.com (8.12.11.20060308/8.13.3) with ESMTP id l7MMtpZD023067 for ; Wed, 22 Aug 2007 16:55:52 -0600 Subject: Re: [RFC][PATCH] introduce TASK_SIZE_OF() for all arches From: Dave Hansen In-Reply-To: <31048.1187773615@redhat.com> References: <20070821193835.258D7DD4@kernel> <31048.1187773615@redhat.com> Content-Type: text/plain Date: Wed, 22 Aug 2007 15:55:50 -0700 Message-Id: <1187823350.16177.1326.camel@localhost> Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Sender: linux-arch-owner@vger.kernel.org To: David Howells Cc: linux-arch@vger.kernel.org, Matt Mackall List-ID: On Wed, 2007-08-22 at 10:06 +0100, David Howells wrote: > Dave Hansen wrote: > > > For the /proc//pagemap code[1], we need to able to query how > > much virtual address space a particular task has. > > How does this relate to NOMMU conditions? It probably doesn't make any sense to use the /proc//pagemap feature on NOMMU systems. There are no pagetables to dump, and no shared pages, right? -- Dave