diff options
Diffstat (limited to 'kernel/time/timekeeping_internal.h')
-rw-r--r-- | kernel/time/timekeeping_internal.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/kernel/time/timekeeping_internal.h b/kernel/time/timekeeping_internal.h index e3d28ad236f9..05dfa6b25dc4 100644 --- a/kernel/time/timekeeping_internal.h +++ b/kernel/time/timekeeping_internal.h @@ -3,6 +3,7 @@ /* * timekeeping debug functions */ +#include <linux/clocksource.h> #include <linux/time.h> #ifdef CONFIG_DEBUG_FS @@ -11,4 +12,9 @@ extern void tk_debug_account_sleep_time(struct timespec64 *t); #define tk_debug_account_sleep_time(x) #endif +static inline cycle_t clocksource_delta(cycle_t now, cycle_t last, cycle_t mask) +{ + return (now - last) & mask; +} + #endif /* _TIMEKEEPING_INTERNAL_H */ |