From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752319AbaIJOZd (ORCPT ); Wed, 10 Sep 2014 10:25:33 -0400 Received: from userp1040.oracle.com ([156.151.31.81]:21365 "EHLO userp1040.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751048AbaIJOZa (ORCPT ); Wed, 10 Sep 2014 10:25:30 -0400 Message-ID: <54105F28.1000506@oracle.com> Date: Wed, 10 Sep 2014 10:24:40 -0400 From: Sasha Levin User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.0 MIME-Version: 1.0 To: Dave Jones CC: Mel Gorman , Hugh Dickins , "linux-mm@kvack.org" , Andrew Morton , Dave Jones , LKML , "Kirill A. Shutemov" , Peter Zijlstra , Rik van Riel , Johannes Weiner , Cyrill Gorcunov Subject: Trinity and mbind flags (WAS: Re: mm: BUG in unmap_page_range) References: <53E989FB.5000904@oracle.com> <53FD4D9F.6050500@oracle.com> <20140827152622.GC12424@suse.de> <540127AC.4040804@oracle.com> <54082B25.9090600@oracle.com> <20140908171853.GN17501@suse.de> <540DEDE7.4020300@oracle.com> <20140909213309.GQ17501@suse.de> <540F7D42.1020402@oracle.com> <20140910124732.GT17501@suse.de> In-Reply-To: <20140910124732.GT17501@suse.de> Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 8bit X-Source-IP: acsinet21.oracle.com [141.146.126.237] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 09/10/2014 08:47 AM, Mel Gorman wrote: > That site should have checked PROT_NONE but it can't be the same bug > that trinity is seeing. Minimally trinity is unaware of MPOL_MF_LAZY > according to git grep of the trinity source. Actually, if I'm reading it correctly I think that Trinity handles mbind() calls wrong. It passes the wrong values for mode flags and actual flags. Thanks, Sasha From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-ig0-f177.google.com (mail-ig0-f177.google.com [209.85.213.177]) by kanga.kvack.org (Postfix) with ESMTP id 43A5D6B0039 for ; Wed, 10 Sep 2014 10:25:20 -0400 (EDT) Received: by mail-ig0-f177.google.com with SMTP id uq10so3072767igb.4 for ; Wed, 10 Sep 2014 07:25:20 -0700 (PDT) Received: from userp1040.oracle.com (userp1040.oracle.com. [156.151.31.81]) by mx.google.com with ESMTPS id uh2si2062107igc.34.2014.09.10.07.25.19 for (version=TLSv1 cipher=RC4-SHA bits=128/128); Wed, 10 Sep 2014 07:25:19 -0700 (PDT) Message-ID: <54105F28.1000506@oracle.com> Date: Wed, 10 Sep 2014 10:24:40 -0400 From: Sasha Levin MIME-Version: 1.0 Subject: Trinity and mbind flags (WAS: Re: mm: BUG in unmap_page_range) References: <53E989FB.5000904@oracle.com> <53FD4D9F.6050500@oracle.com> <20140827152622.GC12424@suse.de> <540127AC.4040804@oracle.com> <54082B25.9090600@oracle.com> <20140908171853.GN17501@suse.de> <540DEDE7.4020300@oracle.com> <20140909213309.GQ17501@suse.de> <540F7D42.1020402@oracle.com> <20140910124732.GT17501@suse.de> In-Reply-To: <20140910124732.GT17501@suse.de> Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 8bit Sender: owner-linux-mm@kvack.org List-ID: To: Dave Jones Cc: Mel Gorman , Hugh Dickins , "linux-mm@kvack.org" , Andrew Morton , LKML , "Kirill A. Shutemov" , Peter Zijlstra , Rik van Riel , Johannes Weiner , Cyrill Gorcunov On 09/10/2014 08:47 AM, Mel Gorman wrote: > That site should have checked PROT_NONE but it can't be the same bug > that trinity is seeing. Minimally trinity is unaware of MPOL_MF_LAZY > according to git grep of the trinity source. Actually, if I'm reading it correctly I think that Trinity handles mbind() calls wrong. It passes the wrong values for mode flags and actual flags. Thanks, Sasha -- 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