From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753593Ab1HHX4S (ORCPT ); Mon, 8 Aug 2011 19:56:18 -0400 Received: from fgwmail6.fujitsu.co.jp ([192.51.44.36]:46117 "EHLO fgwmail6.fujitsu.co.jp" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752782Ab1HHX4R (ORCPT ); Mon, 8 Aug 2011 19:56:17 -0400 X-SecurityPolicyCheck-FJ: OK by FujitsuOutboundMailChecker v1.3.1 Date: Tue, 9 Aug 2011 08:48:58 +0900 From: KAMEZAWA Hiroyuki To: Konstantin Khlebnikov Cc: , , Andrew Morton Subject: Re: [PATCH v2] vmscan: reverse lru scanning order Message-Id: <20110809084858.cab100e4.kamezawa.hiroyu@jp.fujitsu.com> In-Reply-To: <20110808110207.30777.30800.stgit@localhost6> References: <20110727111002.9985.94938.stgit@localhost6> <20110808110207.30777.30800.stgit@localhost6> Organization: FUJITSU Co. LTD. X-Mailer: Sylpheed 3.1.1 (GTK+ 2.10.14; 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 List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, 8 Aug 2011 15:02:07 +0400 Konstantin Khlebnikov wrote: > LRU scanning order was accidentially changed in commit v2.6.27-5584-gb69408e: > "vmscan: Use an indexed array for LRU variables". > Before that commit reclaimer always scan active lists first. > > This patch just reverse it back. > > Signed-off-by: Konstantin Khlebnikov makes sense...but what real problem do you see ?