ktime_get_boot_fast_ns
extern u64 ktime_get_boot_fast_ns(void);
return ktime_get_boot_fast_ns();
EXPORT_SYMBOL_GPL(ktime_get_boot_fast_ns);
{ ktime_get_boot_fast_ns, "boot", 1 },
addr = (long)&ktime_get_boot_fast_ns;