tdif             1541 net/core/neighbour.c 		long tdif = NEIGH_CB(skb)->sched_next - now;
tdif             1543 net/core/neighbour.c 		if (tdif <= 0) {
tdif             1556 net/core/neighbour.c 		} else if (!sched_next || tdif < sched_next)
tdif             1557 net/core/neighbour.c 			sched_next = tdif;