Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752937Ab0AJMhK (ORCPT ); Sun, 10 Jan 2010 07:37:10 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752852Ab0AJMhJ (ORCPT ); Sun, 10 Jan 2010 07:37:09 -0500 Received: from one.firstfloor.org ([213.235.205.2]:33546 "EHLO one.firstfloor.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750930Ab0AJMhI (ORCPT ); Sun, 10 Jan 2010 07:37:08 -0500 Date: Sun, 10 Jan 2010 13:37:02 +0100 From: Andi Kleen To: =?iso-8859-1?Q?Am=E9rico?= Wang Cc: Andi Kleen , linux-kernel@vger.kernel.org Subject: Re: 2.6.33 pagemap endless read loop Message-ID: <20100110123702.GC25323@basil.fritz.box> References: <20100110020955.GB25323@basil.fritz.box> <20100110063335.GA3005@hack> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20100110063335.GA3005@hack> User-Agent: Mutt/1.5.17 (2007-11-01) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 875 Lines: 28 > Are you sure I don't know if it's really endless, but it's doing a good emulation of it if it's not. > > On my 32bit machine, it runs for a long time, but finally exits. That was on 64bit. proc01 had accumulated several minutes of CPU time when I stopped it. > From the document of pagemap, it is the mapping of all the virtual pages > of a process, on x86-32, it should be 4G/4K = 1024*1024 pages, also Only the mapped ones surely? Right now it looks like it dumps all the holes and that obviously will never finish on 64bit which has 47bits of address space. -Andi -- ak@linux.intel.com -- Speaking for myself only. -- 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/