nohz: Prevent clocksource wrapping during idle

[deliverable/linux.git] / include / linux / time.h

diff --git a/include/linux/time.h b/include/linux/time.h
index fe04e5ef6a592ebddf885b2f313323ec5226e452..6e026e45a179e2c66b347eb3834501a13be7ee2e 100644 (file)
--- a/include/linux/time.h
+++ b/include/linux/time.h
@@ -148,6 +148,7 @@ extern void monotonic_to_bootbased(struct timespec *ts);
 
 extern struct timespec timespec_trunc(struct timespec t, unsigned gran);
 extern int timekeeping_valid_for_hres(void);
+extern u64 timekeeping_max_deferment(void);
 extern void update_wall_time(void);
 extern void update_xtime_cache(u64 nsec);
 extern void timekeeping_leap_insert(int leapsecond);