1 files changed, 6 insertions, 2 deletions

diff --git a/include/linux/sched/prio.h b/include/linux/sched/prio.h
index 1ceaaa1da3e4..ac322583c820 100644
--- a/include/linux/sched/prio.h
+++ b/include/linux/sched/prio.h
@@ -1,6 +1,10 @@
 #ifndef _SCHED_PRIO_H
 #define _SCHED_PRIO_H
 
+#define MAX_NICE        19
+#define MIN_NICE        -20
+#define NICE_WIDTH      (MAX_NICE - MIN_NICE + 1)
+
 /*
  * Priority of a process goes from 0..MAX_PRIO-1, valid RT
  * priority is 0..MAX_RT_PRIO-1, and SCHED_NORMAL/SCHED_BATCH
@@ -17,8 +21,8 @@
 #define MAX_USER_RT_PRIO        100
 #define MAX_RT_PRIO             MAX_USER_RT_PRIO
 
-#define MAX_PRIO                (MAX_RT_PRIO + 40)
-#define DEFAULT_PRIO            (MAX_RT_PRIO + 20)
+#define MAX_PRIO                (MAX_RT_PRIO + NICE_WIDTH)
+#define DEFAULT_PRIO            (MAX_RT_PRIO + NICE_WIDTH / 2)
 
 /*
  * Convert user-nice values [ -20 ... 0 ... 19 ]