rem: protect_tmap(vm_translation_map *map, addr_t base, addr_t top, unsigned int attributes)
add: protect_tmap(vm_translation_map *map, addr_t base, addr_t top, uint32 attributes)
context: protect_tmap(vm_translation_map *map, addr_t base, addr_t top, unsigned int attributes){	// XXX finish	return -1;}