Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755492AbWKUXny (ORCPT ); Tue, 21 Nov 2006 18:43:54 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1756867AbWKUXny (ORCPT ); Tue, 21 Nov 2006 18:43:54 -0500 Received: from calculon.skynet.ie ([193.1.99.88]:29610 "EHLO calculon.skynet.ie") by vger.kernel.org with ESMTP id S1755492AbWKUXnx (ORCPT ); Tue, 21 Nov 2006 18:43:53 -0500 Date: Tue, 21 Nov 2006 23:43:51 +0000 (GMT) From: Mel Gorman X-X-Sender: mel@skynet.skynet.ie To: Christoph Lameter Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 1/11] Add __GFP_MOVABLE flag and update callers In-Reply-To: Message-ID: References: <20061121225022.11710.72178.sendpatchset@skynet.skynet.ie> <20061121225042.11710.15200.sendpatchset@skynet.skynet.ie> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 762 Lines: 19 On Tue, 21 Nov 2006, Christoph Lameter wrote: > Are GFP_HIGHUSER allocations always movable? It would reduce the size of > the patch if this would be added to GFP_HIGHUSER. > No, they aren't. Page tables allocated with HIGHPTE are currently not movable for example. A number of drivers (infiniband for example) also use __GFP_HIGHMEM that are not movable. -- Mel Gorman Part-time Phd Student Linux Technology Center University of Limerick IBM Dublin Software Lab - 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/