diff --git a/kernel/hrtimer.c b/kernel/hrtimer.c
index 1069998..668f396 100644
--- a/kernel/hrtimer.c
+++ b/kernel/hrtimer.c
@@ -306,7 +306,7 @@
 /*
  * Divide a ktime value by a nanosecond value
  */
-unsigned long ktime_divns(const ktime_t kt, s64 div)
+u64 ktime_divns(const ktime_t kt, s64 div)
 {
 	u64 dclc, inc, dns;
 	int sft = 0;
@@ -321,7 +321,7 @@
 	dclc >>= sft;
 	do_div(dclc, (unsigned long) div);
 
-	return (unsigned long) dclc;
+	return dclc;
 }
 #endif /* BITS_PER_LONG >= 64 */
 
@@ -656,10 +656,9 @@
  * Forward the timer expiry so it will expire in the future.
  * Returns the number of overruns.
  */
-unsigned long
-hrtimer_forward(struct hrtimer *timer, ktime_t now, ktime_t interval)
+u64 hrtimer_forward(struct hrtimer *timer, ktime_t now, ktime_t interval)
 {
-	unsigned long orun = 1;
+	u64 orun = 1;
 	ktime_t delta;
 
 	delta = ktime_sub(now, timer->expires);
diff --git a/kernel/posix-timers.c b/kernel/posix-timers.c
index 36d563f..122d5c7 100644
--- a/kernel/posix-timers.c
+++ b/kernel/posix-timers.c
@@ -256,8 +256,9 @@
 	if (timr->it.real.interval.tv64 == 0)
 		return;
 
-	timr->it_overrun += hrtimer_forward(timer, timer->base->get_time(),
-					    timr->it.real.interval);
+	timr->it_overrun += (unsigned int) hrtimer_forward(timer,
+						timer->base->get_time(),
+						timr->it.real.interval);
 
 	timr->it_overrun_last = timr->it_overrun;
 	timr->it_overrun = -1;
@@ -386,7 +387,7 @@
 					now = ktime_add(now, kj);
 			}
 #endif
-			timr->it_overrun +=
+			timr->it_overrun += (unsigned int)
 				hrtimer_forward(timer, now,
 						timr->it.real.interval);
 			ret = HRTIMER_RESTART;
@@ -662,7 +663,7 @@
 	 */
 	if (iv.tv64 && (timr->it_requeue_pending & REQUEUE_PENDING ||
 	    (timr->it_sigev_notify & ~SIGEV_THREAD_ID) == SIGEV_NONE))
-		timr->it_overrun += hrtimer_forward(timer, now, iv);
+		timr->it_overrun += (unsigned int) hrtimer_forward(timer, now, iv);
 
 	remaining = ktime_sub(timer->expires, now);
 	/* Return 0 only, when the timer is expired and not pending */
diff --git a/kernel/sys_ni.c b/kernel/sys_ni.c
index beee5b3..5b9b467 100644
--- a/kernel/sys_ni.c
+++ b/kernel/sys_ni.c
@@ -154,7 +154,10 @@
 
 /* New file descriptors */
 cond_syscall(sys_signalfd);
-cond_syscall(sys_timerfd);
 cond_syscall(compat_sys_signalfd);
-cond_syscall(compat_sys_timerfd);
+cond_syscall(sys_timerfd_create);
+cond_syscall(sys_timerfd_settime);
+cond_syscall(sys_timerfd_gettime);
+cond_syscall(compat_sys_timerfd_settime);
+cond_syscall(compat_sys_timerfd_gettime);
 cond_syscall(sys_eventfd);