Date: Thu, 14 Mar 2002 15:07:58 -0800 (PST) From: Julian Elischer <julian@elischer.org> To: Matthew Dillon <dillon@apollo.backplane.com> Cc: Poul-Henning Kamp <phk@critter.freebsd.dk>, Alfred Perlstein <bright@mu.org>, David Greenman <dg@root.com>, John Indra <maverick@office.naver.co.id>, freebsd-current@FreeBSD.ORG Subject: Re: malloc() and the stock Perl in -CURRENT (and -STABLE) Message-ID: <Pine.BSF.4.21.0203141506540.81090-100000@InterJet.elischer.org> In-Reply-To: <200203142304.g2EN4wO49736@apollo.backplane.com>
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On Thu, 14 Mar 2002, Matthew Dillon wrote: > > :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) I'm not sure you want to copy it.. I mean you want the dta di disappear from the old address. It's more a "movepages()" > > 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 > <dillon@backplane.com> > > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe freebsd-current" in the body of the message > To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message
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