#include <linux/module.h>
#include <linux/personality.h>
#include <linux/sched.h>
+#include <linux/syscalls.h>
#include <linux/sysctl.h>
#include <linux/types.h>
static void default_handler(int, struct pt_regs *);
static struct exec_domain *exec_domains = &default_exec_domain;
-static rwlock_t exec_domains_lock = RW_LOCK_UNLOCKED;
+static DEFINE_RWLOCK(exec_domains_lock);
static u_long ident_map[32] = {