From owner-freebsd-hackers@FreeBSD.ORG Fri Jun 3 13:17:26 2005 Return-Path: X-Original-To: freebsd-hackers@freebsd.org Delivered-To: freebsd-hackers@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id C272316A41C for ; Fri, 3 Jun 2005 13:17:26 +0000 (GMT) (envelope-from xdivac02@stud.fit.vutbr.cz) Received: from eva.fit.vutbr.cz (eva.fit.vutbr.cz [147.229.10.14]) by mx1.FreeBSD.org (Postfix) with ESMTP id 27BA743D4C for ; Fri, 3 Jun 2005 13:17:25 +0000 (GMT) (envelope-from xdivac02@stud.fit.vutbr.cz) Received: from eva.fit.vutbr.cz (localhost [127.0.0.1]) by eva.fit.vutbr.cz (envelope-from xdivac02@eva.fit.vutbr.cz) (8.13.4/8.13.3) with ESMTP id j53DHNiK033068 (version=TLSv1/SSLv3 cipher=EDH-RSA-DES-CBC3-SHA bits=168 verify=NO); Fri, 3 Jun 2005 15:17:23 +0200 (CEST) Received: (from xdivac02@localhost) by eva.fit.vutbr.cz (8.13.4/8.13.3/Submit) id j53DHNsc033067; Fri, 3 Jun 2005 15:17:23 +0200 (CEST) Date: Fri, 3 Jun 2005 15:17:23 +0200 From: Divacky Roman To: Bao Zhao Message-ID: <20050603131723.GB32779@stud.fit.vutbr.cz> References: <20050603091519.31175.qmail@web31707.mail.mud.yahoo.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20050603091519.31175.qmail@web31707.mail.mud.yahoo.com> User-Agent: Mutt/1.4.2i X-Scanned-By: MIMEDefang 2.49 on 147.229.10.14 Cc: freebsd-hackers Subject: Re: How FREEBSD deals with request for continuous physical pages X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 03 Jun 2005 13:17:26 -0000 On Fri, Jun 03, 2005 at 02:15:19AM -0700, Bao Zhao wrote: > Linux use buddy allocator.but I find it seems that > FREEBSD uses single page linked list. but SLAB and > some drivers need continuous physical pages, so I > wonder how FREEBSD solved this problem. man contigmalloc