Hi,
probably the simpliest and most elegant would be to introduce
type linux_mmap_off_t (or something of the like) and change
definition of linux_sys_mmap()/linux_sys_oldmmap() appropriately.

Jaromir
-- 
Jaromir Dolecek <jdolecek@NetBSD.org>      http://www.ics.muni.cz/~dolecek/
@@@@  Wanna a real operating system ? Go and get NetBSD, dammit!  @@@@