-static unsigned long min_sched_granularity_ns = 100000; /* 100 usecs */
-static unsigned long max_sched_granularity_ns = NSEC_PER_SEC; /* 1 second */
-static unsigned long min_wakeup_granularity_ns; /* 0 usecs */
-static unsigned long max_wakeup_granularity_ns = NSEC_PER_SEC; /* 1 second */
+static int min_sched_granularity_ns = 100000; /* 100 usecs */
+static int max_sched_granularity_ns = NSEC_PER_SEC; /* 1 second */
+static int min_wakeup_granularity_ns; /* 0 usecs */
+static int max_wakeup_granularity_ns = NSEC_PER_SEC; /* 1 second */