arch_set_user_pkey_access
int arch_set_user_pkey_access(struct task_struct *tsk, int pkey,
extern int arch_set_user_pkey_access(struct task_struct *tsk, int pkey,
ret = arch_set_user_pkey_access(current, execute_only_pkey,
ret = arch_set_user_pkey_access(current, pkey, init_val);