From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751398AbZI1FVa (ORCPT ); Mon, 28 Sep 2009 01:21:30 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1750900AbZI1FV3 (ORCPT ); Mon, 28 Sep 2009 01:21:29 -0400 Received: from mail.crca.org.au ([67.207.131.56]:35287 "EHLO crca.org.au" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750827AbZI1FV3 (ORCPT ); Mon, 28 Sep 2009 01:21:29 -0400 X-Bogosity: Ham, spamicity=0.000000 Message-ID: <4AC04800.70708@crca.org.au> Date: Mon, 28 Sep 2009 15:22:08 +1000 From: Nigel Cunningham User-Agent: Thunderbird 2.0.0.23 (X11/20090817) MIME-Version: 1.0 To: KAMEZAWA Hiroyuki CC: Wu Fengguang , LKML , "linux-mm@kvack.org" Subject: Re: No more bits in vm_area_struct's vm_flags. References: <4AB9A0D6.1090004@crca.org.au> <20090924100518.78df6b93.kamezawa.hiroyu@jp.fujitsu.com> <4ABC80B0.5010100@crca.org.au> <20090925174009.79778649.kamezawa.hiroyu@jp.fujitsu.com> <4AC0234F.2080808@crca.org.au> <20090928120450.c2d8a4e2.kamezawa.hiroyu@jp.fujitsu.com> <20090928033624.GA11191@localhost> <20090928125705.6656e8c5.kamezawa.hiroyu@jp.fujitsu.com> <4AC03D9C.3020907@crca.org.au> <20090928135315.083aca18.kamezawa.hiroyu@jp.fujitsu.com> In-Reply-To: <20090928135315.083aca18.kamezawa.hiroyu@jp.fujitsu.com> X-Enigmail-Version: 0.95.7 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi. KAMEZAWA Hiroyuki wrote: > Seems good to me. > > Reviewed-by: KAMEZAWA Hiroyuki > But >> + if (vma->vm_hints) >> + return 0; >> return 1; > > Maybe adding a comment (or more detailed patch description) is necessary. Thinking about this some more, I think we should also be looking at whether the new hints are non zero. Perhaps I should just add the new value to the function parameters and be done with it. Nigel