From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Fri, 5 Jan 2001 16:54:46 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Fri, 5 Jan 2001 16:54:36 -0500 Received: from zeus.kernel.org ([209.10.41.242]:58830 "EHLO zeus.kernel.org") by vger.kernel.org with ESMTP id ; Fri, 5 Jan 2001 16:54:17 -0500 Date: Fri, 5 Jan 2001 21:52:23 +0000 From: "Stephen C. Tweedie" To: Marcelo Tosatti , Rik van Riel , linux-mm@kvack.org, linux-kernel@vger.kernel.org Cc: Stephen Tweedie Subject: Re: MM/VM todo list Message-ID: <20010105215223.M1290@redhat.com> In-Reply-To: <20010105221326.A10112@caldera.de> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.2i In-Reply-To: <20010105221326.A10112@caldera.de>; from hch@caldera.de on Fri, Jan 05, 2001 at 10:13:27PM +0100 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Hi, On Fri, Jan 05, 2001 at 10:13:27PM +0100, Christoph Hellwig wrote: > On Fri, Jan 05, 2001 at 02:56:40PM -0200, Marcelo Tosatti wrote: > > > * VM: experiment with different active lists / aging pages > > > of different ages at different rates + other page replacement > > > improvements > > > * VM: Quality of Service / fairness / ... improvements > > * VM: Use kiobuf IO in VM instead buffer_head IO. > > I'd vote for killing both bufer_head and kiobuf from VM. > Lokk at my pageio patch - VM doesn't know about the use of kiobufs > in the filesystem IO... It has already been talked about, and is something I'd like for 2.5 --- it's easy enough to push the buffer-head list into the per-address-space structures so that the upper VM has no knowledge of the IO mechanism being used underneath. Cheers, Stephen - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org Please read the FAQ at http://www.tux.org/lkml/