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 ESMTP id 36B2C8D003B for ; Tue, 19 Apr 2011 21:23:40 -0400 (EDT) Received: from m3.gw.fujitsu.co.jp (unknown [10.0.50.73]) by fgwmail5.fujitsu.co.jp (Postfix) with ESMTP id 5C5B03EE0C0 for ; Wed, 20 Apr 2011 10:23:37 +0900 (JST) Received: from smail (m3 [127.0.0.1]) by outgoing.m3.gw.fujitsu.co.jp (Postfix) with ESMTP id 4075445DE8F for ; Wed, 20 Apr 2011 10:23:37 +0900 (JST) Received: from s3.gw.fujitsu.co.jp (s3.gw.fujitsu.co.jp [10.0.50.93]) by m3.gw.fujitsu.co.jp (Postfix) with ESMTP id 2843E45DE93 for ; Wed, 20 Apr 2011 10:23:37 +0900 (JST) Received: from s3.gw.fujitsu.co.jp (localhost.localdomain [127.0.0.1]) by s3.gw.fujitsu.co.jp (Postfix) with ESMTP id 1B9151DB8038 for ; Wed, 20 Apr 2011 10:23:37 +0900 (JST) Received: from m107.s.css.fujitsu.com (m107.s.css.fujitsu.com [10.240.81.147]) by s3.gw.fujitsu.co.jp (Postfix) with ESMTP id DAACBE08001 for ; Wed, 20 Apr 2011 10:23:36 +0900 (JST) From: KOSAKI Motohiro Subject: Re: [PATCH v3] mm: make expand_downwards symmetrical to expand_upwards In-Reply-To: References: <1303249716.11237.26.camel@mulgrave.site> Message-Id: <20110420102314.4604.A69D9226@jp.fujitsu.com> MIME-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit Date: Wed, 20 Apr 2011 10:23:35 +0900 (JST) Sender: owner-linux-mm@kvack.org List-ID: To: Christoph Lameter Cc: kosaki.motohiro@jp.fujitsu.com, James Bottomley , Pekka Enberg , Michal Hocko , Andrew Morton , Hugh Dickins , linux-mm@kvack.org, LKML , linux-parisc@vger.kernel.org, David Rientjes > On Tue, 19 Apr 2011, James Bottomley wrote: > > > > Which part of me telling you that you will break lots of other things in > > > the core kernel dont you get? > > > > I get that you tell me this ... however, the systems that, according to > > you, should be failing to get to boot prompt do, in fact, manage it. > > If you dont use certain subsystems then it may work. Also do you run with > debuggin on. > > The following patch is I think what would be needed to fix it. I'm worry about this patch. A lot of mm code assume !NUMA systems only have node 0. Not only SLUB. I'm not sure why this unfortunate mismatch occur. but I think DISCONTIG hacks makes less sense. Can we consider parisc turn NUMA on instead? -- 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/ . Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/ Don't email: email@kvack.org