---

yaml --- r: 76146 b: refs/heads/master c: 84de427 h: refs/heads/master v: v3
git-mirror · Jan 25, 2008 · 71fba5c · 71fba5c
1 parent d81b54c
commit 71fba5c
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Showing 2 changed files with 10 additions and 1 deletion.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: deeeccd41bd94a9db133d7b923f9a7479a47305d
+refs/heads/master: 84de4274893691aa8c471a1f7336d51e555d23a0
diff --git a/trunk/kernel/sched_rt.c b/trunk/kernel/sched_rt.c
@@ -4,16 +4,24 @@
  */
 
 #ifdef CONFIG_SMP
+
+/*
+ * The "RT overload" flag: it gets set if a CPU has more than
+ * one runnable RT task.
+ */
 static cpumask_t rt_overload_mask;
 static atomic_t rto_count;
+
 static inline int rt_overloaded(void)
 {
 	return atomic_read(&rto_count);
 }
+
 static inline cpumask_t *rt_overload(void)
 {
 	return &rt_overload_mask;
 }
+
 static inline void rt_set_overload(struct rq *rq)
 {
 	rq->rt.overloaded = 1;
@@ -28,6 +36,7 @@ static inline void rt_set_overload(struct rq *rq)
 	wmb();
 	atomic_inc(&rto_count);
 }
+
 static inline void rt_clear_overload(struct rq *rq)
 {
 	/* the order here really doesn't matter */