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
> :[EMAIL PROTECTED] | 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
> <[EMAIL PROTECTED]>
>
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