505 	seqlock_init(&n->hh.hh_lock);  in neigh_alloc()
1263 	struct hh_cache *hh;  in neigh_update_hhs()  local
1271 		hh = &neigh->hh;  in neigh_update_hhs()
1272 		if (READ_ONCE(hh->hh_len)) {  in neigh_update_hhs()
1273 			write_seqlock_bh(&hh->hh_lock);  in neigh_update_hhs()
1274 			update(hh, neigh->dev, neigh->ha);  in neigh_update_hhs()
1275 			write_sequnlock_bh(&hh->hh_lock);  in neigh_update_hhs()
1530 	struct hh_cache	*hh = &n->hh;  in neigh_hh_init()  local
1537 	if (!hh->hh_len)  in neigh_hh_init()
1538 		dev->header_ops->cache(n, hh, prot);  in neigh_hh_init()
1554 		if (dev->header_ops->cache && !READ_ONCE(neigh->hh.hh_len))  in neigh_resolve_output()