From owner-freebsd-hackers@FreeBSD.ORG  Fri Jun  3 09:15:20 2005
Return-Path: <owner-freebsd-hackers@FreeBSD.ORG>
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 5F17716A41C
	for <freebsd-hackers@freebsd.org>; Fri,  3 Jun 2005 09:15:20 +0000 (GMT)
	(envelope-from baozhaolinuxer@yahoo.com)
Received: from web31707.mail.mud.yahoo.com (web31707.mail.mud.yahoo.com
	[68.142.201.187])
	by mx1.FreeBSD.org (Postfix) with SMTP id 023EA43D1F
	for <freebsd-hackers@freebsd.org>; Fri,  3 Jun 2005 09:15:19 +0000 (GMT)
	(envelope-from baozhaolinuxer@yahoo.com)
Received: (qmail 31177 invoked by uid 60001); 3 Jun 2005 09:15:19 -0000
DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=s1024; d=yahoo.com;
	h=Message-ID:Received:Date:From:Subject:To:MIME-Version:Content-Type:Content-Transfer-Encoding;
	b=RFFMzpxvcylGfAold4eRoV2SyQ5CJ/QVPuflGTg3J796C0PGA14QgIgHPQsLBlkk5EI/C0L9zhj8C0pKo0643x7X+wEK5UIvqxGhS/XZaQUHWP2+mO8l4JRO87RaXYwLfKOFNqRfQVN6JD7xbafhi70KWVRk3XNpit8ezLx3gnQ=
	; 
Message-ID: <20050603091519.31175.qmail@web31707.mail.mud.yahoo.com>
Received: from [218.75.247.252] by web31707.mail.mud.yahoo.com via HTTP;
	Fri, 03 Jun 2005 02:15:19 PDT
Date: Fri, 3 Jun 2005 02:15:19 -0700 (PDT)
From: Bao Zhao <baozhaolinuxer@yahoo.com>
To: freebsd-hackers <freebsd-hackers@freebsd.org>
MIME-Version: 1.0
Content-Type: text/plain; charset=iso-8859-1
Content-Transfer-Encoding: 8bit
Subject: 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
	<freebsd-hackers.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-hackers>, 
	<mailto:freebsd-hackers-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-hackers>
List-Post: <mailto:freebsd-hackers@freebsd.org>
List-Help: <mailto:freebsd-hackers-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-hackers>,
	<mailto:freebsd-hackers-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Fri, 03 Jun 2005 09:15:20 -0000

  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.

Best Regards,

Bao Zhao

__________________________________________________
Do You Yahoo!?
Tired of spam?  Yahoo! Mail has the best spam protection around 
http://mail.yahoo.com