From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759998Ab2CaOHA (ORCPT ); Sat, 31 Mar 2012 10:07:00 -0400 Received: from mga03.intel.com ([143.182.124.21]:3665 "EHLO mga03.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757351Ab2CaOG6 (ORCPT ); Sat, 31 Mar 2012 10:06:58 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.71,315,1320652800"; d="scan'208";a="125574254" From: Andi Kleen To: Konstantin Khlebnikov Cc: linux-mm@kvack.org, Andrew Morton , linux-kernel@vger.kernel.org, Linus Torvalds Subject: Re: [PATCH 0/7] mm: vma->vm_flags diet References: <20120331091049.19373.28994.stgit@zurg> Date: Sat, 31 Mar 2012 07:06:30 -0700 In-Reply-To: <20120331091049.19373.28994.stgit@zurg> (Konstantin Khlebnikov's message of "Sat, 31 Mar 2012 13:25:36 +0400") Message-ID: User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/23.3 (gnu/linux) 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 Konstantin Khlebnikov writes: > This patch-set moves/kills some VM_* flags in vma->vm_flags bit-field, > as result there appears four free bits. > > Also I'm working on VM_RESERVED reorganization, probably it also can be killed. > It lost original swapout-protection sense in 2.6 and now is used for other purposes. Great, I ran into this problem recently too: I wanted to add a new bit, but there was none. -Andi -- ak@linux.intel.com -- Speaking for myself only