From owner-freebsd-current Thu Mar 14 15: 5: 5 2002 Delivered-To: freebsd-current@freebsd.org Received: from apollo.backplane.com (apollo.backplane.com [216.240.41.2]) by hub.freebsd.org (Postfix) with ESMTP id 9609137B416 for ; Thu, 14 Mar 2002 15:05:00 -0800 (PST) Received: (from dillon@localhost) by apollo.backplane.com (8.11.6/8.9.1) id g2EN4wO49736; Thu, 14 Mar 2002 15:04:58 -0800 (PST) (envelope-from dillon) Date: Thu, 14 Mar 2002 15:04:58 -0800 (PST) From: Matthew Dillon Message-Id: <200203142304.g2EN4wO49736@apollo.backplane.com> To: Poul-Henning Kamp Cc: Alfred Perlstein , David Greenman , John Indra , freebsd-current@FreeBSD.ORG Subject: Re: malloc() and the stock Perl in -CURRENT (and -STABLE) References: <1354.1016100735@critter.freebsd.dk> Sender: owner-freebsd-current@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG :thing to do in FreeBSD ? :-) : :And everybody with VM clue I've asked says it would be trivial to :flip two page-table entries, so for all I care it can be : : mexchangemapping(void *from, void *to, size_t length) : :-- :Poul-Henning Kamp | UNIX since Zilog Zeus 3.20 :phk@FreeBSD.ORG | TCP/IP since RFC 956 :FreeBSD committer | BSD since 4.3-tahoe Or mcopymap(from, to, length, flags) flags: MAP_SHARED share the same content (we back them with the same VM objects). MAP_PRIVATE copy on write, as if you fork()d and the parent was the original area and the child is the new area. But I'm not volunteering. -Matt Matthew Dillon To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message