Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751245AbWBMJDL (ORCPT ); Mon, 13 Feb 2006 04:03:11 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751661AbWBMJDL (ORCPT ); Mon, 13 Feb 2006 04:03:11 -0500 Received: from sv1.valinux.co.jp ([210.128.90.2]:55461 "EHLO sv1.valinux.co.jp") by vger.kernel.org with ESMTP id S1751245AbWBMJDK (ORCPT ); Mon, 13 Feb 2006 04:03:10 -0500 Date: Mon, 13 Feb 2006 18:03:09 +0900 From: IWAMOTO Toshihiro To: Rik van Riel Cc: Shantanu Goel , Marcelo Tosatti , "linux-kernel@vger.kernel.org" Subject: Re: [VM PATCH] rotate_reclaimable_page fails frequently In-Reply-To: References: <20060206060147.13989.qmail@web33013.mail.mud.yahoo.com> User-Agent: Wanderlust/2.15.1 (Almost Unreal) SEMI/1.14.6 (Maruoka) FLIM/1.14.7 (=?ISO-8859-4?Q?Sanj=F2?=) APEL/10.6 Emacs/21.4 (i386-pc-linux-gnu) MULE/5.0 (SAKAKI) MIME-Version: 1.0 (generated by SEMI 1.14.6 - "Maruoka") Content-Type: text/plain; charset=US-ASCII Message-Id: <20060213090309.A505774033@sv1.valinux.co.jp> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1003 Lines: 28 At Mon, 6 Feb 2006 19:37:08 -0500 (EST), Rik van Riel wrote: > > On Sun, 5 Feb 2006, Shantanu Goel wrote: > > > Ideally, for workloads that want to avoid paging as > > much as possible, we should perhaps have a mode where > > we never activate unmapped pages and let them all > > reside on the inactive list. mark_page_accessed() > > would simply move an unmapped page to the head of the > > inactive list on the 2nd reference. > > Clock-pro (Peter's implementation, I still need to fix mine), > should do the right thing automatically in situations like > this... Really? IIRC, his patch used to have a logic to keep mapped pages hot, which is similar to vanilla linux's reclaim_mapped thing, but it seems to be commented out now. -- IWAMOTO Toshihiro - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/