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Message-Id: <3994e89327b2b15f992277cdf9f409c516f87d1b.1392103744.git.yangds.fnst@cn.fujitsu.com> Date: Tue, 11 Feb 2014 15:34:46 +0800 From: Dongsheng Yang <yangds.fnst@...fujitsu.com> To: linux-kernel@...r.kernel.org Cc: Dongsheng Yang <yangds.fnst@...fujitsu.com>, Peter Zijlstra <peterz@...radead.org>, Ingo Molnar <mingo@...nel.org> Subject: [PATCH 2/9] sched: prio: Add 3 macros of MAX_NICE, MIN_NICE and NICE_WIDTH in prio.h. 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@...fujitsu.com> cc: Peter Zijlstra <peterz@...radead.org> cc: Ingo Molnar <mingo@...nel.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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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