Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753007AbZIYIe1 (ORCPT ); Fri, 25 Sep 2009 04:34:27 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752837AbZIYIeY (ORCPT ); Fri, 25 Sep 2009 04:34:24 -0400 Received: from mail.crca.org.au ([67.207.131.56]:50745 "EHLO crca.org.au" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752736AbZIYIeX (ORCPT ); Fri, 25 Sep 2009 04:34:23 -0400 X-Bogosity: Ham, spamicity=0.000000 Message-ID: <4ABC80B0.5010100@crca.org.au> Date: Fri, 25 Sep 2009 18:34:56 +1000 From: Nigel Cunningham User-Agent: Thunderbird 2.0.0.21 (X11/20090409) MIME-Version: 1.0 To: KAMEZAWA Hiroyuki CC: 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> In-Reply-To: <20090924100518.78df6b93.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 Content-Length: 821 Lines: 22 Hi. KAMEZAWA Hiroyuki wrote: >> I have some code in TuxOnIce that needs a bit too (explicitly mark the >> VMA as needing to be atomically copied, for GEM objects), and am not >> sure what the canonical way to proceed is. Should a new unsigned long be >> added? The difficulty I see with that is that my flag was used in >> shmem_file_setup's flags parameter (drm_gem_object_alloc), so that >> function would need an extra parameter too.. > > Hmm, how about adding vma->vm_flags2 ? The difficulty there is that some functions pass these flags as arguments. Regards, Nigel -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/