#include <linux/rhashtable.h>
#include <linux/atomic.h>
+#include <linux/workqueue.h>
#include <net/sock.h>
#define NLGRPSZ(x) (ALIGN(x, sizeof(unsigned long) * 8) / 8)
struct rhash_head node;
struct rcu_head rcu;
+ struct work_struct work;
};
static inline struct netlink_sock *nlk_sk(struct sock *sk)