From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail144.messagelabs.com (mail144.messagelabs.com [216.82.254.51]) by kanga.kvack.org (Postfix) with SMTP id 4F8D86B007E for ; Tue, 16 Feb 2010 12:43:42 -0500 (EST) Message-ID: <4B7AD92C.6050802@redhat.com> Date: Tue, 16 Feb 2010 12:43:08 -0500 From: Rik van Riel MIME-Version: 1.0 Subject: Re: [PATCH 02/12] Allow CONFIG_MIGRATION to be set without CONFIG_NUMA or memory hot-remove References: <1265976059-7459-1-git-send-email-mel@csn.ul.ie> <1265976059-7459-3-git-send-email-mel@csn.ul.ie> In-Reply-To: <1265976059-7459-3-git-send-email-mel@csn.ul.ie> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org To: Mel Gorman Cc: Andrea Arcangeli , Christoph Lameter , Adam Litke , Avi Kivity , David Rientjes , KOSAKI Motohiro , linux-kernel@vger.kernel.org, linux-mm@kvack.org List-ID: On 02/12/2010 07:00 AM, Mel Gorman wrote: > CONFIG_MIGRATION currently depends on CONFIG_NUMA or on the architecture > being able to hot-remove memory. The main users of page migration such as > sys_move_pages(), sys_migrate_pages() and cpuset process migration are > only beneficial on NUMA so it makes sense. > > As memory compaction will operate within a zone and is useful on both NUMA > and non-NUMA systems, this patch allows CONFIG_MIGRATION to be set if the > user selects CONFIG_COMPACTION as an option. > > Signed-off-by: Mel Gorman > Reviewed-by: Christoph Lameter Reviewed-by: Rik van Riel -- All rights reversed. -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org