> 	PMAP_ALIGN	_arg_ is a byte alignment specification (currently
> 			restricted to a power of two?  Do any weird byte-
> 			size architectures (still) exist?).

Byte size wouldn't matter, and getting anything unix-like to run
on an old ICL System25 (with decimal addresses up to 10000 and
binary pages above) is not going to happen.
(I believe IBM made systems with similar features)

	David

-- 
David Laight: david@l8s.co.uk