Align the per cpu runqueue to the cacheline boundary. This will minimize the
number of cachelines touched during remote wakeup.
Signed-off-by: Suresh Siddha <[email protected]>
---
diff --git a/kernel/sched.c b/kernel/sched.c
index b9a6837..eca33c5 100644
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -278,7 +278,7 @@ struct rq {
struct lock_class_key rq_lock_key;
};
-static DEFINE_PER_CPU(struct rq, runqueues);
+static DEFINE_PER_CPU(struct rq, runqueues) ____cacheline_aligned_in_smp;
static inline int cpu_of(struct rq *rq)
{
-
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