From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail143.messagelabs.com (mail143.messagelabs.com [216.82.254.35]) by kanga.kvack.org (Postfix) with SMTP id 8CD4F6B004F for ; Tue, 7 Jul 2009 13:21:54 -0400 (EDT) Message-ID: <4A5384A4.7060108@redhat.com> Date: Tue, 07 Jul 2009 13:23:48 -0400 From: Rik van Riel MIME-Version: 1.0 Subject: Re: [PATCH 4/5] add isolate pages vmstat References: <20090707090120.1e71a060.minchan.kim@barrios-desktop> <20090707090509.0C60.A69D9226@jp.fujitsu.com> <20090707101855.0C63.A69D9226@jp.fujitsu.com> In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org To: Christoph Lameter Cc: KOSAKI Motohiro , Minchan Kim , Wu Fengguang , LKML , linux-mm , Andrew Morton , David Rientjes List-ID: Christoph Lameter wrote: > 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? I don't get the point of that - these counters are per-cpu anyway, so why would they need to be in 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