+static inline u32 netlink_hash(const void *data, u32 seed)
+{
+ const struct netlink_sock *nlk = data;
+ struct netlink_compare_arg arg;
+
+ netlink_compare_arg_init(&arg, sock_net(&nlk->sk), nlk->portid);
+ return jhash2((u32 *)&arg, netlink_compare_arg_len / sizeof(u32), seed);
+}
+
+static const struct rhashtable_params netlink_rhashtable_params = {
+ .head_offset = offsetof(struct netlink_sock, node),
+ .key_len = netlink_compare_arg_len,
+ .obj_hashfn = netlink_hash,
+ .obj_cmpfn = netlink_compare,
+ .max_size = 65536,
+ .automatic_shrinking = true,
+};
+