| From | Dongsheng Yang <> | Subject | [PATCH 2/9] sched: prio: Add 3 macros of MAX_NICE, MIN_NICE and NICE_WIDTH in prio.h. | Date | Tue, 11 Feb 2014 15:34:46 +0800 |
| |
Currently, there are lots of hard coding of 19 and -20 to represent maximum and minimum of nice value.
This patch add three macros in prio.h for maximum, minimum and width of nice value.
Signed-off-by: Dongsheng Yang <yangds.fnst@cn.fujitsu.com> cc: Peter Zijlstra <peterz@infradead.org> cc: Ingo Molnar <mingo@kernel.org> --- include/linux/sched/prio.h | 4 ++++ 1 file changed, 4 insertions(+)
diff --git a/include/linux/sched/prio.h b/include/linux/sched/prio.h index 1ceaaa1..c6974c4 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 -- 1.8.2.1
|