Support for 64bit userspace.

[Juli Mallett]

On Wed, Jul 28, 2010 at 16:46, M. Warner Losh <imp at bsdimp.com> wrote:
> Eventually, and by no means should this hold things up today, I'd like
> to be able to run 32-bit and 64-bit programs on the same system...

That isn't impacted by the pmap changes at all.  Being able to support
a larger user address space causes no problems with supporting
programs which only use 0x00000000-0x7fffffff.  It's only the normal
freebsd32 compatibility that is required.

Juli.