From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1760377AbXGLTbb (ORCPT ); Thu, 12 Jul 2007 15:31:31 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752769AbXGLTbY (ORCPT ); Thu, 12 Jul 2007 15:31:24 -0400 Received: from smtp2.linux-foundation.org ([207.189.120.14]:49291 "EHLO smtp2.linux-foundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753488AbXGLTbX (ORCPT ); Thu, 12 Jul 2007 15:31:23 -0400 Date: Thu, 12 Jul 2007 12:29:25 -0700 From: Andrew Morton To: mel@skynet.ie (Mel Gorman) Cc: npiggin@suse.de, kenchen@google.com, jschopp@austin.ibm.com, apw@shadowen.org, kamezawa.hiroyu@jp.fujitsu.com, a.p.zijlstra@chello.nl, y-goto@jp.fujitsu.com, clameter@sgi.com, linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: Re: -mm merge plans -- anti-fragmentation Message-Id: <20070712122925.192a6601.akpm@linux-foundation.org> In-Reply-To: <20070710102043.GA20303@skynet.ie> References: <20070710102043.GA20303@skynet.ie> X-Mailer: Sylpheed version 2.2.7 (GTK+ 2.8.6; i686-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Tue, 10 Jul 2007 11:20:43 +0100 mel@skynet.ie (Mel Gorman) wrote: > > create-the-zone_movable-zone.patch > > allow-huge-page-allocations-to-use-gfp_high_movable.patch > > handle-kernelcore=-generic.patch > > > > Mel's moveable-zone work. In a similar situation. We need to stop whatever > > we're doing and get down and work out what we're going to do with all this > > stuff. > > > > Whatever about grouping pages by mobility, I would like to see these go > through. They have a real application for hugetlb pool resizing where the > administrator knows the range of hugepages that will be required but doesn't > want to waste memory when the required number of hugepages is small. I've > cc'd Kenneth Chen as I believe he has run into this problem recently where > I believe partitioning memory would have helped. He'll either confirm or deny. Still no decision here, really. Should we at least go for add-__gfp_movable-for-callers-to-flag-allocations-from-high-memory-that-may-be-migrated.patch create-the-zone_movable-zone.patch allow-huge-page-allocations-to-use-gfp_high_movable.patch handle-kernelcore=-generic.patch in 2.6.23?