From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S936596AbWLFRC2 (ORCPT ); Wed, 6 Dec 2006 12:02:28 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S936561AbWLFRBw (ORCPT ); Wed, 6 Dec 2006 12:01:52 -0500 Received: from 40.150.104.212.access.eclipse.net.uk ([212.104.150.40]:53770 "EHLO localhost.localdomain" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S936919AbWLFRBU (ORCPT ); Wed, 6 Dec 2006 12:01:20 -0500 Date: Wed, 6 Dec 2006 17:01:05 +0000 To: Andrew Morton , linux-mm@kvack.org Cc: Peter Zijlstra , Mel Gorman , Andy Whitcroft , linux-kernel@vger.kernel.org Subject: [PATCH 4/4] lumpy take the other active inactive pages in the area Message-ID: <4fe113c0c99477e6ccb24e1d848e7ae5@pinky> References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline InReply-To: User-Agent: Mutt/1.5.13 (2006-08-11) From: Andy Whitcroft Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org lumpy: take the other active/inactive pages in the area When we scan an order N aligned area around our tag page take any other pages with a matching active state to that of the tag page. This will tend to demote areas of the order we are interested from the active list to the inactive list and from the end of the inactive list, increasing the chances of such areas coming free together. Signed-off-by: Andy Whitcroft Acked-by: Peter Zijlstra --- diff --git a/mm/vmscan.c b/mm/vmscan.c index 85f626b..fc23d87 100644 --- a/mm/vmscan.c +++ b/mm/vmscan.c @@ -710,7 +710,7 @@ static unsigned long isolate_lru_pages(unsigned long nr_to_scan, case 0: list_move(&tmp->lru, dst); nr_taken++; - continue; + break; case -EBUSY: /* else it is being freed elsewhere */ @@ -718,7 +718,6 @@ static unsigned long isolate_lru_pages(unsigned long nr_to_scan, default: break; } - break; } }