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) { - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/