local_clock_noinstr
time_start = ns_to_ktime(local_clock_noinstr());
time_end = ns_to_ktime(local_clock_noinstr());
time_start = ns_to_ktime(local_clock_noinstr());
time_end = ns_to_ktime(local_clock_noinstr());
time_start = local_clock_noinstr();
if (local_clock_noinstr() - time_start > limit) {
extern u64 local_clock_noinstr(void);
now = local_clock_noinstr();