From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pa0-f54.google.com (mail-pa0-f54.google.com [209.85.220.54]) by kanga.kvack.org (Postfix) with ESMTP id BB34F280011 for ; Sat, 1 Nov 2014 08:30:15 -0400 (EDT) Received: by mail-pa0-f54.google.com with SMTP id rd3so9312992pab.41 for ; Sat, 01 Nov 2014 05:30:15 -0700 (PDT) Received: from cdptpa-oedge-vip.email.rr.com (cdptpa-outbound-snat.email.rr.com. [107.14.166.226]) by mx.google.com with ESMTP id cw5si11301487pbc.133.2014.11.01.05.30.14 for ; Sat, 01 Nov 2014 05:30:14 -0700 (PDT) Date: Sat, 1 Nov 2014 08:30:12 -0400 From: Steven Rostedt Subject: Re: [BUG] mm/page-writeback.c: divide by zero in pos_ratio_polynom not fixed Message-ID: <20141101083012.54d3b59b@gandalf.local.home> In-Reply-To: <20141101082325.7be0463f@gandalf.local.home> References: <20141101082325.7be0463f@gandalf.local.home> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org List-ID: To: Rik van Riel Cc: LKML , Michal Hocko , linux-mm@kvack.org, Mel Gorman , Andrew Morton On Sat, 1 Nov 2014 08:23:25 -0400 Steven Rostedt wrote: > I don't see how d5c9fde3dae75 > could have fixed anything. I take that back. It fixes the case on 64 bit systems where the parameter of div_u64() truncates it. But it does nothing to help the situation on 32 bit systems. -- Steve -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org