From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752082AbaKKVaj (ORCPT ); Tue, 11 Nov 2014 16:30:39 -0500 Received: from cdptpa-outbound-snat.email.rr.com ([107.14.166.231]:43400 "EHLO cdptpa-oedge-vip.email.rr.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1751702AbaKKVaj (ORCPT ); Tue, 11 Nov 2014 16:30:39 -0500 Date: Tue, 11 Nov 2014 16:30:29 -0500 From: Steven Rostedt To: Jan Kara Cc: Rik van Riel , LKML , Michal Hocko , linux-mm@kvack.org, Mel Gorman , Andrew Morton Subject: Re: [BUG] mm/page-writeback.c: divide by zero in pos_ratio_polynom not fixed Message-ID: <20141111163029.5d356716@gandalf.local.home> In-Reply-To: <20141111211615.GE32298@quack.suse.cz> References: <20141101082325.7be0463f@gandalf.local.home> <20141111201539.GA12333@quack.suse.cz> <20141111160448.61354836@gandalf.local.home> <20141111211615.GE32298@quack.suse.cz> X-Mailer: Claws Mail 3.10.1 (GTK+ 2.24.25; x86_64-pc-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-RR-Connecting-IP: 107.14.168.142:25 X-Cloudmark-Score: 0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, 11 Nov 2014 22:16:15 +0100 Jan Kara wrote: > BTW, how much memory does the machine have and what is > /proc/sys/vm/dirty_ratio and /proc/sys/vm/dirty_background_ratio (or > corresponding dirty_bytes, dirty_background_bytes if you are using them)? > > Honza It's currently booted in my x86_64 kernel (I use this box to test both 32bit and 64bit kernels). Also, note, this box recently went though a new motherboard upgrade, which added 4 gigs more of memory, bringing it to a total of 8gigs, which probably explains some things. I wouldn't normally run such a box with a 32bit kernel. I'll have to wait a bit before I can boot back to the 32bit kernel to get the rest of that info for you. -- Steve