From owner-freebsd-hackers Tue Jul 13 7:13:31 1999 Delivered-To: freebsd-hackers@freebsd.org Received: from janus.syracuse.net (janus.syracuse.net [205.232.47.15]) by hub.freebsd.org (Postfix) with ESMTP id 7FAE015030 for ; Tue, 13 Jul 1999 07:13:28 -0700 (PDT) (envelope-from green@FreeBSD.org) Received: from localhost (green@localhost) by janus.syracuse.net (8.9.2/8.8.7) with ESMTP id KAA77129; Tue, 13 Jul 1999 10:11:14 -0400 (EDT) X-Authentication-Warning: janus.syracuse.net: green owned process doing -bs Date: Tue, 13 Jul 1999 10:11:14 -0400 (EDT) From: "Brian F. Feldman" X-Sender: green@janus.syracuse.net To: Noriyuki Soda Cc: bright@rush.net, dcs@newsguy.com, freebsd-hackers@FreeBSD.org, jon@oaktree.co.uk, tech-userlevel@netbsd.org, tech@openbsd.org Subject: Re: Replacement for grep(1) (part 2) In-Reply-To: <199907130912.SAA07964@srapc342.sra.co.jp> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG On Tue, 13 Jul 1999, Noriyuki Soda wrote: > > You're browsing with netscape and It hits about 32megs in size, > > you click on a multimedia object and netscape execs a helper app. > > If the system has real vfork(2) like NetBSD, this is not problem. > > > you also have to consider a program wishing to make sparse use > > of its address space, without overcommit it becomes impossible. > > SVR4 has MAP_NORESERVE option for mmap(2) for this. > So, default behaivour don't have to be overcommitment. Isn't that just like mmap()ing then mlock()ing the range? That would keep it in core. > -- > soda > > > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe freebsd-hackers" in the body of the message > Brian Fundakowski Feldman _ __ ___ ____ ___ ___ ___ green@FreeBSD.org _ __ ___ | _ ) __| \ FreeBSD: The Power to Serve! _ __ | _ \._ \ |) | http://www.FreeBSD.org/ _ |___/___/___/ To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message