diff --git a/include/linux/hrtimer.h b/include/linux/hrtimer.h
index 64e2754..84fc186 100644
--- a/include/linux/hrtimer.h
+++ b/include/linux/hrtimer.h
@@ -130,7 +130,8 @@
 }
 
 /* Forward a hrtimer so it expires after now: */
-extern unsigned long hrtimer_forward(struct hrtimer *timer, ktime_t interval);
+extern unsigned long
+hrtimer_forward(struct hrtimer *timer, ktime_t now, ktime_t interval);
 
 /* Precise sleep: */
 extern long hrtimer_nanosleep(struct timespec *rqtp,