From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757017AbZGGQuU (ORCPT ); Tue, 7 Jul 2009 12:50:20 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1755849AbZGGQuI (ORCPT ); Tue, 7 Jul 2009 12:50:08 -0400 Received: from smtp3.ultrahosting.com ([74.213.175.254]:59083 "EHLO smtp.ultrahosting.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1755100AbZGGQuH (ORCPT ); Tue, 7 Jul 2009 12:50:07 -0400 Date: Tue, 7 Jul 2009 12:49:56 -0400 (EDT) From: Christoph Lameter X-X-Sender: cl@gentwo.org To: KOSAKI Motohiro cc: Minchan Kim , Wu Fengguang , LKML , linux-mm , Andrew Morton , David Rientjes , Rik van Riel Subject: Re: [PATCH 4/5] add isolate pages vmstat In-Reply-To: <20090707101855.0C63.A69D9226@jp.fujitsu.com> Message-ID: References: <20090707090120.1e71a060.minchan.kim@barrios-desktop> <20090707090509.0C60.A69D9226@jp.fujitsu.com> <20090707101855.0C63.A69D9226@jp.fujitsu.com> User-Agent: Alpine 1.10 (DEB 962 2008-03-14) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, 7 Jul 2009, KOSAKI Motohiro wrote: > +++ b/include/linux/mmzone.h > @@ -100,6 +100,8 @@ enum zone_stat_item { > NR_BOUNCE, > NR_VMSCAN_WRITE, > NR_WRITEBACK_TEMP, /* Writeback using temporary buffers */ > + NR_ISOLATED_ANON, /* Temporary isolated pages from anon lru */ > + NR_ISOLATED_FILE, /* Temporary isolated pages from file lru */ LRU counters are rarer in use then the counters used for dirty pages etc. Could you move the counters for reclaim into a separate cacheline? From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail191.messagelabs.com (mail191.messagelabs.com [216.82.242.19]) by kanga.kvack.org (Postfix) with SMTP id E75176B005C for ; Tue, 7 Jul 2009 12:48:16 -0400 (EDT) Received: from localhost (smtp.ultrahosting.com [127.0.0.1]) by smtp.ultrahosting.com (Postfix) with ESMTP id 8B1DA82C4C1 for ; Tue, 7 Jul 2009 13:08:27 -0400 (EDT) Received: from smtp.ultrahosting.com ([74.213.175.254]) by localhost (smtp.ultrahosting.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id x4XaLdVco5qL for ; Tue, 7 Jul 2009 13:08:27 -0400 (EDT) Received: from gentwo.org (unknown [74.213.171.31]) by smtp.ultrahosting.com (Postfix) with ESMTP id 6E4A282C562 for ; Tue, 7 Jul 2009 13:08:15 -0400 (EDT) Date: Tue, 7 Jul 2009 12:49:56 -0400 (EDT) From: Christoph Lameter Subject: Re: [PATCH 4/5] add isolate pages vmstat In-Reply-To: <20090707101855.0C63.A69D9226@jp.fujitsu.com> Message-ID: References: <20090707090120.1e71a060.minchan.kim@barrios-desktop> <20090707090509.0C60.A69D9226@jp.fujitsu.com> <20090707101855.0C63.A69D9226@jp.fujitsu.com> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-linux-mm@kvack.org To: KOSAKI Motohiro Cc: Minchan Kim , Wu Fengguang , LKML , linux-mm , Andrew Morton , David Rientjes , Rik van Riel List-ID: On Tue, 7 Jul 2009, KOSAKI Motohiro wrote: > +++ b/include/linux/mmzone.h > @@ -100,6 +100,8 @@ enum zone_stat_item { > NR_BOUNCE, > NR_VMSCAN_WRITE, > NR_WRITEBACK_TEMP, /* Writeback using temporary buffers */ > + NR_ISOLATED_ANON, /* Temporary isolated pages from anon lru */ > + NR_ISOLATED_FILE, /* Temporary isolated pages from file lru */ LRU counters are rarer in use then the counters used for dirty pages etc. Could you move the counters for reclaim into a separate cacheline? -- 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