From owner-freebsd-arch@FreeBSD.ORG Fri Aug 1 01:28:45 2003 Return-Path: Delivered-To: freebsd-arch@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 06DC137B401; Fri, 1 Aug 2003 01:28:45 -0700 (PDT) Received: from critter.freebsd.dk (critter.freebsd.dk [212.242.86.163]) by mx1.FreeBSD.org (Postfix) with ESMTP id D98C343F93; Fri, 1 Aug 2003 01:28:43 -0700 (PDT) (envelope-from phk@phk.freebsd.dk) Received: from critter.freebsd.dk (localhost [127.0.0.1]) by critter.freebsd.dk (8.12.9/8.12.9) with ESMTP id h718SfmE006613; Fri, 1 Aug 2003 10:28:42 +0200 (CEST) (envelope-from phk@phk.freebsd.dk) To: David Schultz From: "Poul-Henning Kamp" In-Reply-To: Your message of "Fri, 01 Aug 2003 01:23:36 PDT." <20030801082336.GA75619@HAL9000.homeunix.com> Date: Fri, 01 Aug 2003 10:28:41 +0200 Message-ID: <6612.1059726521@critter.freebsd.dk> cc: arch@freebsd.org Subject: Re: headsup: swap_pager.c X-BeenThere: freebsd-arch@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Discussion related to FreeBSD architecture List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 01 Aug 2003 08:28:45 -0000 In message <20030801082336.GA75619@HAL9000.homeunix.com>, David Schultz writes: >But since you just ripped out the debugging stuff for the radix >tree bitmap, I'm guessing that your plan is to replace the bitmap >with something else within the next few days anyway... I actually do not plan on replacing the radix code in this round. I want to see how it performs before I vote it out. I don't currently see any resource managers in the kernel which obviously would do a better job. >Can you please describe how the interface between ccd(4) and the >swap subsystem will work? I like this idea, but it isn't >immediately obvious how you plan to implement striping based on >load and dynamic addition and removal of swap space. ccdconfig -c ccd0 128 0 /dev/da0b /dev/da1b /dev/da2b swapon /dev/ccd0 -- Poul-Henning Kamp | UNIX since Zilog Zeus 3.20 phk@FreeBSD.ORG | TCP/IP since RFC 956 FreeBSD committer | BSD since 4.3-tahoe Never attribute to malice what can adequately be explained by incompetence.