All symbols starting with `u' in vm

• unix_pid vm/vm_unix.c:238
• UNLOCK_AND_DEALLOCATE vm/vm_fault.c:162
• UNLOCK_MAP vm/vm_fault.c:140
• unlock_request vm/vm_page.h:154
• UNLOCK_THINGS vm/vm_fault.c:150
• useracc vm/vm_unix.c:63
• user_wired_count vm/vm_map.h:151
• USE_VERSIONS vm/vm_fault.c:42