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-rw-r--r--include/linux/sched.h4
-rw-r--r--kernel/sched.c5
2 files changed, 4 insertions, 5 deletions
diff --git a/include/linux/sched.h b/include/linux/sched.h
index 503dea6..fbc69cc 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -504,8 +504,8 @@ struct signal_struct {
#define rt_prio(prio) unlikely((prio) < MAX_RT_PRIO)
#define rt_task(p) rt_prio((p)->prio)
#define batch_task(p) (unlikely((p)->policy == SCHED_BATCH))
-#define has_rt_policy(p) \
- unlikely((p)->policy != SCHED_NORMAL && (p)->policy != SCHED_BATCH)
+#define is_rt_policy(p) ((p) != SCHED_NORMAL && (p) != SCHED_BATCH)
+#define has_rt_policy(p) unlikely(is_rt_policy((p)->policy))
/*
* Some day this will be a full-fledged user tracking system..
diff --git a/kernel/sched.c b/kernel/sched.c
index f9b3c6a..c3c718a 100644
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -4109,8 +4109,7 @@ recheck:
(p->mm && param->sched_priority > MAX_USER_RT_PRIO-1) ||
(!p->mm && param->sched_priority > MAX_RT_PRIO-1))
return -EINVAL;
- if ((policy == SCHED_NORMAL || policy == SCHED_BATCH)
- != (param->sched_priority == 0))
+ if (is_rt_policy(policy) != (param->sched_priority != 0))
return -EINVAL;
/*
@@ -4134,7 +4133,7 @@ recheck:
!rlim_rtprio)
return -EPERM;
/* can't increase priority */
- if ((policy != SCHED_NORMAL && policy != SCHED_BATCH) &&
+ if (is_rt_policy(policy) &&
param->sched_priority > p->rt_priority &&
param->sched_priority > rlim_rtprio)
return -EPERM;
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