Macros starting with `n' in osfmk/vm

• named_entry_lock osfmk/vm/vm_map.h:124
• named_entry_lock_init osfmk/vm/vm_map.h:123
• named_entry_unlock osfmk/vm/vm_map.h:125
• NEXT_PAGE osfmk/vm/vm_page.h:177