From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757957AbZEEMgU (ORCPT ); Tue, 5 May 2009 08:36:20 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752612AbZEEMgJ (ORCPT ); Tue, 5 May 2009 08:36:09 -0400 Received: from cmpxchg.org ([85.214.51.133]:54975 "EHLO cmpxchg.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753012AbZEEMgJ (ORCPT ); Tue, 5 May 2009 08:36:09 -0400 Date: Tue, 5 May 2009 14:33:50 +0200 From: Johannes Weiner To: Wu Fengguang Cc: "akpm@linux-foundation.org" , "a.p.zijlstra@chello.nl" , "cl@linux-foundation.org" , "kosaki.motohiro@jp.fujitsu.com" , "npiggin@suse.de" , "riel@redhat.com" , linux-mm@kvack.org, LKML Subject: Re: [PATCH] vmscan: ZVC updates in shrink_active_list() can be done once Message-ID: <20090505123350.GA19060@cmpxchg.org> References: <20090504234455.GA6324@localhost> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20090504234455.GA6324@localhost> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, May 05, 2009 at 07:44:55AM +0800, Wu Fengguang wrote: > This effectively lifts the unit of nr_inactive_* and pgdeactivate updates > from PAGEVEC_SIZE=14 to SWAP_CLUSTER_MAX=32. For __zone_reclaim() it will be >= SWAP_CLUSTER_MAX, depending on the allocation order. Hannes