#ifndef _KERNEL_TIME_TIMEKEEPING_H#define _KERNEL_TIME_TIMEKEEPING_H/* * Internal interfaces for kernel/time/ */extern ktime_t ktime_get_update_offsets_now(unsigned int *cwsseq,					    ktime_t *offs_real,					    ktime_t *offs_boot,					    ktime_t *offs_tai); extern int timekeeping_valid_for_hres(void);extern u64 timekeeping_max_deferment(void);extern int timekeeping_inject_offset(struct timespec *ts);extern int timekeeping_suspend(void);extern void timekeeping_resume(void); extern void do_timer(unsigned long ticks);extern void update_wall_time(void); extern seqlock_t jiffies_lock; #define CS_NAME_LEN	32 #endif