From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail172.messagelabs.com (mail172.messagelabs.com [216.82.254.3]) by kanga.kvack.org (Postfix) with SMTP id 3DA51600363 for ; Wed, 17 Mar 2010 19:56:28 -0400 (EDT) Received: from m6.gw.fujitsu.co.jp ([10.0.50.76]) by fgwmail5.fujitsu.co.jp (Fujitsu Gateway) with ESMTP id o2HNuPsJ026199 for (envelope-from kosaki.motohiro@jp.fujitsu.com); Thu, 18 Mar 2010 08:56:26 +0900 Received: from smail (m6 [127.0.0.1]) by outgoing.m6.gw.fujitsu.co.jp (Postfix) with ESMTP id 8A7F945DE56 for ; Thu, 18 Mar 2010 08:56:25 +0900 (JST) Received: from s6.gw.fujitsu.co.jp (s6.gw.fujitsu.co.jp [10.0.50.96]) by m6.gw.fujitsu.co.jp (Postfix) with ESMTP id 3D7A545DE53 for ; Thu, 18 Mar 2010 08:56:25 +0900 (JST) Received: from s6.gw.fujitsu.co.jp (localhost.localdomain [127.0.0.1]) by s6.gw.fujitsu.co.jp (Postfix) with ESMTP id 12B4C1DB8012 for ; Thu, 18 Mar 2010 08:56:25 +0900 (JST) Received: from m106.s.css.fujitsu.com (m106.s.css.fujitsu.com [10.249.87.106]) by s6.gw.fujitsu.co.jp (Postfix) with ESMTP id B35D1E08002 for ; Thu, 18 Mar 2010 08:56:24 +0900 (JST) From: KOSAKI Motohiro Subject: Re: [PATCH 04/11] Allow CONFIG_MIGRATION to be set without CONFIG_NUMA or memory hot-remove In-Reply-To: References: <20100317113205.GC12388@csn.ul.ie> Message-Id: <20100318085226.8726.A69D9226@jp.fujitsu.com> MIME-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit Date: Thu, 18 Mar 2010 08:56:23 +0900 (JST) Sender: owner-linux-mm@kvack.org To: Christoph Lameter Cc: kosaki.motohiro@jp.fujitsu.com, Mel Gorman , Andrew Morton , Andrea Arcangeli , Adam Litke , Avi Kivity , David Rientjes , Rik van Riel , linux-kernel@vger.kernel.org, linux-mm@kvack.org List-ID: > On Wed, 17 Mar 2010, Mel Gorman wrote: > > > > If select MIGRATION works, we can remove "depends on NUMA || ARCH_ENABLE_MEMORY_HOTREMOVE" > > > line from config MIGRATION. > > > > > > > I'm not quite getting why this would be an advantage. COMPACTION > > requires MIGRATION but conceivable both NUMA and HOTREMOVE can work > > without it. > > Avoids having to add additional CONFIG_XXX on the page migration "depends" > line in the future. Yes, Kconfig mess freqently shot ourself in past days. if we have a chance to remove unnecessary dependency, we should do. that's my intention of the last mail. -- 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