extern void poll_freewait(struct poll_wqueues *pwq);
extern int poll_schedule_timeout(struct poll_wqueues *pwq, int state,
ktime_t *expires, unsigned long slack);
extern void poll_freewait(struct poll_wqueues *pwq);
extern int poll_schedule_timeout(struct poll_wqueues *pwq, int state,
ktime_t *expires, unsigned long slack);
extern int core_sys_select(int n, fd_set __user *inp, fd_set __user *outp,
extern int core_sys_select(int n, fd_set __user *inp, fd_set __user *outp,