sched: align rq to cacheline boundary
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 <suresh.b.siddha@intel.com> Acked-by: Ingo Molnar <mingo@elte.hu> Cc: Ravikiran G Thirumalai <kiran@scalex86.org> Cc: Nick Piggin <nickpiggin@yahoo.com.au> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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@ -304,7 +304,7 @@ struct rq {
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struct lock_class_key rq_lock_key;
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};
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static DEFINE_PER_CPU(struct rq, runqueues);
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static DEFINE_PER_CPU(struct rq, runqueues) ____cacheline_aligned_in_smp;
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static inline int cpu_of(struct rq *rq)
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{
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