From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from m5.gw.fujitsu.co.jp ([10.0.50.75]) by fgwmail7.fujitsu.co.jp (Fujitsu Gateway) with ESMTP id mA70bIPv015826 for (envelope-from kosaki.motohiro@jp.fujitsu.com); Fri, 7 Nov 2008 09:37:18 +0900 Received: from smail (m5 [127.0.0.1]) by outgoing.m5.gw.fujitsu.co.jp (Postfix) with ESMTP id 4720545DE51 for ; Fri, 7 Nov 2008 09:37:18 +0900 (JST) Received: from s5.gw.fujitsu.co.jp (s5.gw.fujitsu.co.jp [10.0.50.95]) by m5.gw.fujitsu.co.jp (Postfix) with ESMTP id 23B1B45DE3E for ; Fri, 7 Nov 2008 09:37:18 +0900 (JST) Received: from s5.gw.fujitsu.co.jp (localhost.localdomain [127.0.0.1]) by s5.gw.fujitsu.co.jp (Postfix) with ESMTP id 0FE5A1DB803E for ; Fri, 7 Nov 2008 09:37:18 +0900 (JST) Received: from ml12.s.css.fujitsu.com (ml12.s.css.fujitsu.com [10.249.87.102]) by s5.gw.fujitsu.co.jp (Postfix) with ESMTP id C22AD1DB803A for ; Fri, 7 Nov 2008 09:37:17 +0900 (JST) From: KOSAKI Motohiro Subject: Re: [patch 7/7] cpu alloc: page allocator conversion In-Reply-To: References: <20081106115113.0D38.KOSAKI.MOTOHIRO@jp.fujitsu.com> Message-Id: <20081107093137.F84D.KOSAKI.MOTOHIRO@jp.fujitsu.com> MIME-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit Date: Fri, 7 Nov 2008 09:37:16 +0900 (JST) Sender: owner-linux-mm@kvack.org Return-Path: To: Christoph Lameter Cc: kosaki.motohiro@jp.fujitsu.com, akpm@linux-foundation.org, Pekka Enberg , Christoph Lameter , linux-kernel@vger.kernel.org, linux-mm@kvack.org, travis@sgi.com, Stephen Rothwell , Vegard Nossum List-ID: > On Thu, 6 Nov 2008, KOSAKI Motohiro wrote: > > > > - free_zone_pagesets(cpu); > > > + process_zones(cpu); > > > break; > > > > Why do you drop cpu unplug code? > > Because it does not do anything. Percpu areas are traditionally allocated > for each possible cpu not for each online cpu. Yup, Agreed. However, if cpu-unplug happend, any pages in pcp should flush to buddy (I think). -- 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