net/ipv4/nexthop.c

1950 	struct nh_res_table *old_res_table = rtnl_dereference(oldg->res_table);
1951 	unsigned long prev_unbalanced_since = old_res_table->unbalanced_since;
1952 	bool prev_has_uw = !list_empty(&old_res_table->uw_nh_entries);
1954 	nh_res_table_cancel_upkeep(old_res_table);
1955 	nh_res_table_migrate_buckets(old_res_table, newg);
1956 	nh_res_group_rebalance(newg, old_res_table);
1957 	if (prev_has_uw && !list_empty(&old_res_table->uw_nh_entries))
1958 		old_res_table->unbalanced_since = prev_unbalanced_since;
1959 	nh_res_table_upkeep(old_res_table, true, false);
2188 	struct nh_res_table *old_res_table;
2212 		old_res_table = rtnl_dereference(oldg->res_table);
2219 		    old_res_table->num_nh_buckets) {
2235 			old_res_table->idle_timer = cfg->nh_grp_res_idle_timer;
2237 			old_res_table->unbalanced_timer =
2243 		rcu_assign_pointer(newg->res_table, old_res_table);
2244 		rcu_assign_pointer(newg->spare->res_table, old_res_table);