Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1762171AbXEKAy2 (ORCPT ); Thu, 10 May 2007 20:54:28 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1758145AbXEKAyU (ORCPT ); Thu, 10 May 2007 20:54:20 -0400 Received: from fgwmail5.fujitsu.co.jp ([192.51.44.35]:37143 "EHLO fgwmail5.fujitsu.co.jp" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757441AbXEKAyT (ORCPT ); Thu, 10 May 2007 20:54:19 -0400 Date: Fri, 11 May 2007 09:54:45 +0900 From: KAMEZAWA Hiroyuki To: Christoph Lameter Cc: y-goto@jp.fujitsu.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org, akpm@osdl.org, mel@csn.ul.ie Subject: Re: [RFC] memory hotremove patch take 2 [03/10] (drain all pages) Message-Id: <20070511095445.6f357d29.kamezawa.hiroyu@jp.fujitsu.com> In-Reply-To: References: <20070509115506.B904.Y-GOTO@jp.fujitsu.com> <20070509120337.B90A.Y-GOTO@jp.fujitsu.com> Organization: Fujitsu X-Mailer: Sylpheed version 2.2.0 (GTK+ 2.6.10; i686-pc-mingw32) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 829 Lines: 24 On Thu, 10 May 2007 11:07:08 -0700 (PDT) Christoph Lameter wrote: > On Wed, 9 May 2007, Yasunori Goto wrote: > > > This patch add function drain_all_pages(void) to drain all > > pages on per-cpu-freelist. > > Page isolation will catch them in free_one_page. > > This is only draining the pcps of the local processor. I would think > that you need to drain all other processors pcps of this zone as well. And > there is no need to drain this processors pcps of other zones. > As Mel-san pointed, -mm has drain_all_local_pages(). We'll use it. Thanks, -Kame - 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/