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authorH. Peter Anvin <hpa@linux.intel.com>2014-06-18 15:26:19 -0700
committerH. Peter Anvin <hpa@linux.intel.com>2014-06-18 15:26:19 -0700
commit03ab3da3b215bac4ebb093c808d54596e03e3225 (patch)
treea42534bb7f314b561b362ad0b5af7eff8dbb9726 /include/linux/sched/prio.h
parent6229ad278ca74acdbc8bd3a3d469322a3de91039 (diff)
parent7171511eaec5bf23fb06078f59784a3a0626b38f (diff)
downloadtalos-op-linux-03ab3da3b215bac4ebb093c808d54596e03e3225.tar.gz
talos-op-linux-03ab3da3b215bac4ebb093c808d54596e03e3225.zip
Merge tag 'v3.16-rc1' into x86/cpufeature
Linux 3.16-rc1 Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Diffstat (limited to 'include/linux/sched/prio.h')
-rw-r--r--include/linux/sched/prio.h16
1 files changed, 16 insertions, 0 deletions
diff --git a/include/linux/sched/prio.h b/include/linux/sched/prio.h
index ac322583c820..d9cf5a5762d9 100644
--- a/include/linux/sched/prio.h
+++ b/include/linux/sched/prio.h
@@ -41,4 +41,20 @@
#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);
+}
+
+/*
+ * Convert rlimit style value [1,40] to nice value [-20, 19].
+ */
+static inline long rlimit_to_nice(long prio)
+{
+ return (MAX_NICE - prio + 1);
+}
+
#endif /* _SCHED_PRIO_H */
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