Re: proxy memory objects patch

[Thomas Bushnell, BSG]

Marcus Brinkmann <Marcus.Brinkmann@ruhr-uni-bochum.de> writes:

> There is a new file in vm/memory_object_proxy.c and a new interface in
> mach4.defs.  I have added a couple of skip's in the !MACH_PCSAMPLE case,
> because I think reusing msgid's is bad mojo, but I am not sure if
> MACH_PCSAMPLE is something to worry about specifically.

The new interface allows clamping permissions, but it should also
allow for restricting the range of the object that can be mapped.
(This is not a feature that we need to use now, but it should be
there.)