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authorIngo Molnar <mingo@elte.hu>2008-01-25 21:08:15 +0100
committerIngo Molnar <mingo@elte.hu>2008-01-25 21:08:15 +0100
commit84de4274893691aa8c471a1f7336d51e555d23a0 (patch)
tree59f9a3029089d1f36adda93f96ba1ce2daa9cc76
parentsched: clean up overlong line in kernel/sched_debug.c (diff)
downloadlinux-dev-84de4274893691aa8c471a1f7336d51e555d23a0.tar.xz
linux-dev-84de4274893691aa8c471a1f7336d51e555d23a0.zip
sched: clean up kernel/sched_rt.c
clean up whitespace damage and missing comments in kernel/sched_rt.c. Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to '')
-rw-r--r--kernel/sched_rt.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/kernel/sched_rt.c b/kernel/sched_rt.c
index b591b89710a4..1a2d8f0aa659 100644
--- a/kernel/sched_rt.c
+++ b/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 */