1 files changed, 4 insertions, 4 deletions

diff --git a/kernel/sched.c b/kernel/sched.c
index 69cae271c63b..387258cdd0b9 100644
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -75,7 +75,7 @@
  */
 unsigned long long __attribute__((weak)) sched_clock(void)
 {
-        return (unsigned long long)jiffies * (1000000000 / HZ);
+        return (unsigned long long)jiffies * (NSEC_PER_SEC / HZ);
 }
 
 /*
@@ -99,8 +99,8 @@ unsigned long long __attribute__((weak)) sched_clock(void)
 /*
  * Some helpers for converting nanosecond timing to jiffy resolution
  */
-#define NS_TO_JIFFIES(TIME)     ((unsigned long)(TIME) / (1000000000 / HZ))
-#define JIFFIES_TO_NS(TIME)     ((TIME) * (1000000000 / HZ))
+#define NS_TO_JIFFIES(TIME)     ((unsigned long)(TIME) / (NSEC_PER_SEC / HZ))
+#define JIFFIES_TO_NS(TIME)     ((TIME) * (NSEC_PER_SEC / HZ))
 
 #define NICE_0_LOAD             SCHED_LOAD_SCALE
 #define NICE_0_SHIFT            SCHED_LOAD_SHIFT
@@ -7256,7 +7256,7 @@ static u64 cpu_usage_read(struct cgroup *cgrp, struct cftype *cft)
                 spin_unlock_irqrestore(&cpu_rq(i)->lock, flags);
         }
         /* Convert from ns to ms */
-        do_div(res, 1000000);
+        do_div(res, NSEC_PER_MSEC);
 
         return res;
 }