From owner-freebsd-hackers Fri Mar 21 02:13:56 1997 Return-Path: Received: (from root@localhost) by freefall.freebsd.org (8.8.5/8.8.5) id CAA07960 for hackers-outgoing; Fri, 21 Mar 1997 02:13:56 -0800 (PST) Received: from root.com (implode.root.com [198.145.90.17]) by freefall.freebsd.org (8.8.5/8.8.5) with ESMTP id CAA07953 for ; Fri, 21 Mar 1997 02:13:52 -0800 (PST) Received: from localhost (localhost [127.0.0.1]) by root.com (8.8.5/8.6.5) with SMTP id CAA07938; Fri, 21 Mar 1997 02:15:17 -0800 (PST) Message-Id: <199703211015.CAA07938@root.com> X-Authentication-Warning: implode.root.com: localhost [127.0.0.1] didn't use HELO protocol To: Amancio Hasty cc: hackers@FreeBSD.ORG Subject: Re: loadable modules and allocating a big memory segment? In-reply-to: Your message of "Fri, 21 Mar 1997 01:46:57 PST." <199703210946.BAA00758@rah.star-gate.com> From: David Greenman Reply-To: dg@root.com Date: Fri, 21 Mar 1997 02:15:16 -0800 Sender: owner-hackers@FreeBSD.ORG X-Loop: FreeBSD.org Precedence: bulk >I am thinking about loadable sound drivers and video drivers which require >continuous physical memory. > >In the case of the video drivers we may want to allocate as much as >2 megabytes of physical memory. Does current support such a memory >allocation scheme? Memory fragmentation is always a potential problem after the system has been up and running awhile, but John has made some changes recently that increase the likelihood that a chunk can be found. ...so it should work most of the time. -DG David Greenman Core-team/Principal Architect, The FreeBSD Project