This patch add an inline function named nice_to_rlimit() in prio.h to
convert nice value [19,-20] to rlimit style value [1,40].
Signed-off-by: Dongsheng Yang <yangds.f...@cn.fujitsu.com>
---
include/linux/sched/prio.h | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/include/linux/sched/prio.h b/include/linux/sched/prio.h
index ac32258..29756f8 100644
--- a/include/linux/sched/prio.h
+++ b/include/linux/sched/prio.h
@@ -41,4 +41,12 @@
#define TASK_USER_PRIO(p) USER_PRIO((p)->static_prio)
#define MAX_USER_PRIO (USER_PRIO(MAX_PRIO))
+/*
+ * Convert nice value [19,-20] to rlimit style value [1,40].
+ */
+static inline long nice_to_rlimit(long nice)
+{
+ return (MAX_NICE - nice + 1);
+}
+
#endif /* _SCHED_PRIO_H */
--
1.8.2.1
--
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