From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758285Ab2DFXfs (ORCPT ); Fri, 6 Apr 2012 19:35:48 -0400 Received: from mail-iy0-f174.google.com ([209.85.210.174]:51977 "EHLO mail-iy0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752169Ab2DFXfq (ORCPT ); Fri, 6 Apr 2012 19:35:46 -0400 Date: Fri, 6 Apr 2012 16:35:29 -0700 (PDT) From: Hugh Dickins X-X-Sender: hugh@eggly.anvils To: Andrew Morton cc: Chris Metcalf , Hillf Danton , linux-kernel@vger.kernel.org, linux-mm@kvack.org, Michal Hocko , KAMEZAWA Hiroyuki Subject: Re: [PATCH v2] hugetlb: fix race condition in hugetlb_fault() In-Reply-To: <20120406162618.3307a9bd.akpm@linux-foundation.org> Message-ID: References: <201203302018.q2UKIFH5020745@farm-0012.internal.tilera.com> <201203311339.q2VDdJMD006254@farm-0012.internal.tilera.com> <4F7887A5.3060700@tilera.com> <20120406152305.59408e35.akpm@linux-foundation.org> <20120406162618.3307a9bd.akpm@linux-foundation.org> User-Agent: Alpine 2.00 (LSU 1167 2008-08-23) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, 6 Apr 2012, Andrew Morton wrote: > On Fri, 6 Apr 2012 16:10:13 -0700 (PDT) > Hugh Dickins wrote: > > > > The resulting patch is okay; but let's reassure Chris that his > > original patch was better, before he conceded to make the get_page > > and put_page unconditional, and added unnecessary detail of the race. > > > > Yes, the v1 patch was better. No reason was given for changing it? I think Chris was aiming to be a model citizen, and followed review suggestions that he would actually have done better to resist. Hugh