133 	struct sem_undo		*undo;	 /* undo structure */  member
654 	un = q->undo;  in perform_atomic_semop_slow()
672 			int undo = un->semadj[sop->sem_num] - sem_op;  in perform_atomic_semop_slow()  local
674 			if (undo < (-SEMAEM - 1) || undo > SEMAEM)  in perform_atomic_semop_slow()
676 			un->semadj[sop->sem_num] = undo;  in perform_atomic_semop_slow()
693 	goto undo;  in perform_atomic_semop_slow()
703 undo:  in perform_atomic_semop_slow()
726 	un = q->undo;  in perform_atomic_semop()
755 			int undo = un->semadj[sop->sem_num] - sem_op;  in perform_atomic_semop()  local
758 			if (undo < (-SEMAEM - 1) || undo > SEMAEM)  in perform_atomic_semop()
769 			int undo = un->semadj[sop->sem_num] - sem_op;  in perform_atomic_semop()  local
771 			un->semadj[sop->sem_num] = undo;  in perform_atomic_semop()
1732 	compat_uptr_t undo;  member
2107 	queue.undo = un;  in do_semtimedop()