[tip:sched/core] sched: Prio: Use DEFAULT_PRIO to define NICE_TO_PRIO and PRIO_TO_NICE.

[tip-bot for Dongsheng Yang]

Commit-ID:  103fc73128e3c55773d7f60998f9296c256df3a5
Gitweb:     http://git.kernel.org/tip/103fc73128e3c55773d7f60998f9296c256df3a5
Author:     Dongsheng Yang <yangds.fnst@xxxxxxxxxxxxxx>
AuthorDate: Tue, 11 Feb 2014 15:34:45 +0800
Committer:  Thomas Gleixner <tglx@xxxxxxxxxxxxx>
CommitDate: Fri, 21 Feb 2014 21:43:20 +0100

sched: Prio: Use DEFAULT_PRIO to define NICE_TO_PRIO and PRIO_TO_NICE.

There is already a macro named DEFAULT_PRIO in prio.h, we can use it
to define NICE_TO_PRIO and PRIO_TO_NICE rather than use hard coding
of (MAX_RT_PRIO + 20).

cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
cc: Ingo Molnar <mingo@xxxxxxxxxx>
Cc: Ingo Molnar <mingo@xxxxxxxxxx>
Signed-off-by: Dongsheng Yang <yangds.fnst@xxxxxxxxxxxxxx>
Signed-off-by: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Link: http://lkml.kernel.org/r/4e28ec36fb49e8906027cbbdd900ab26a149905e.1392103744.git.yangds.fnst@xxxxxxxxxxxxxx
Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
---
 include/linux/sched/prio.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/include/linux/sched/prio.h b/include/linux/sched/prio.h
index 410ccb7..1ceaaa1 100644
--- a/include/linux/sched/prio.h
+++ b/include/linux/sched/prio.h
@@ -25,8 +25,8 @@
  * to static priority [ MAX_RT_PRIO..MAX_PRIO-1 ],
  * and back.
  */
-#define NICE_TO_PRIO(nice)	(MAX_RT_PRIO + (nice) + 20)
-#define PRIO_TO_NICE(prio)	((prio) - MAX_RT_PRIO - 20)
+#define NICE_TO_PRIO(nice)	((nice) + DEFAULT_PRIO)
+#define PRIO_TO_NICE(prio)	((prio) - DEFAULT_PRIO)
 
 /*
  * 'User priority' is the nice value converted to something we
--
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