From owner-freebsd-hackers Tue Jul 20 5:11:48 1999 Delivered-To: freebsd-hackers@freebsd.org Received: from hda.hda.com (hda-bicnet.bicnet.net [209.244.238.132]) by hub.freebsd.org (Postfix) with ESMTP id 8FFA014C9A for ; Tue, 20 Jul 1999 05:11:40 -0700 (PDT) (envelope-from dufault@hda.hda.com) Received: (from dufault@localhost) by hda.hda.com (8.8.5/8.8.5) id HAA19384; Tue, 20 Jul 1999 07:36:36 -0400 (EDT) From: Peter Dufault Message-Id: <199907201136.HAA19384@hda.hda.com> Subject: Re: Overcommit and calloc() In-Reply-To: <001f01bed205$e8aeecc0$291c453f@kbyanc.alcnet.com> from Kelly Yancey at "Jul 19, 99 12:44:03 pm" To: kbyanc@alcnet.com (Kelly Yancey) Date: Tue, 20 Jul 1999 07:36:35 -0400 (EDT) Cc: des@flood.ping.uio.no, freebsd-hackers@FreeBSD.ORG X-Mailer: ELM [version 2.4ME+ PL25 (25)] MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG Well, bzero could map all memory (outside the boundaries) to a single zeroed page marked copy on write. The statistics you could gather might then point out some grossly broken programs. Peter -- Peter Dufault (dufault@hda.com) Realtime development, Machine control, HD Associates, Inc. Safety critical systems, Agency approval To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message