Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Mon, 10 Feb 2003 06:23:38 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Mon, 10 Feb 2003 06:23:37 -0500 Received: from packet.digeo.com ([12.110.80.53]:43741 "EHLO packet.digeo.com") by vger.kernel.org with ESMTP id ; Mon, 10 Feb 2003 06:23:34 -0500 Date: Mon, 10 Feb 2003 03:33:27 -0800 From: Andrew Morton To: Andrea Arcangeli Cc: reiser@namesys.com, piggin@cyberone.com.au, jakob@unthought.net, david.lang@digitalinsight.com, riel@conectiva.com.br, ckolivas@yahoo.com.au, linux-kernel@vger.kernel.org, axboe@suse.de Subject: Re: stochastic fair queueing in the elevator [Re: [BENCHMARK] 2.4.20-ck3 / aa / rmap with contest] Message-Id: <20030210033327.5c24c052.akpm@digeo.com> In-Reply-To: <20030210112104.GW31401@dualathlon.random> References: <20030210045107.GD1109@unthought.net> <3E473172.3060407@cyberone.com.au> <20030210073614.GJ31401@dualathlon.random> <3E47579A.4000700@cyberone.com.au> <20030210080858.GM31401@dualathlon.random> <20030210001921.3a0a5247.akpm@digeo.com> <20030210085649.GO31401@dualathlon.random> <20030210010937.57607249.akpm@digeo.com> <3E4779DD.7080402@namesys.com> <20030210024810.43a57910.akpm@digeo.com> <20030210112104.GW31401@dualathlon.random> X-Mailer: Sylpheed version 0.8.9 (GTK+ 1.2.10; i586-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-OriginalArrivalTime: 10 Feb 2003 11:33:13.0186 (UTC) FILETIME=[3229C420:01C2D0F8] Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 542 Lines: 16 Andrea Arcangeli wrote: > > what is this fadvise doing? Invoking fadvise64(). Dropping the pagecache. > yes, and anticipatory scheduler isn't going to fix it. furthmore with > IDE the max merging is 64k so you can see little of the whole picture. 124k. (Or is it 128k now?) - 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/