Commit c3396620 authored by Siddha, Suresh B's avatar Siddha, Suresh B Committed by Linus Torvalds

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: default avatarSuresh Siddha <suresh.b.siddha@intel.com>
Acked-by: default avatarIngo Molnar <mingo@elte.hu>
Cc: Ravikiran G Thirumalai <kiran@scalex86.org>
Cc: Nick Piggin <nickpiggin@yahoo.com.au>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent bd53f96c
...@@ -304,7 +304,7 @@ struct rq { ...@@ -304,7 +304,7 @@ struct rq {
struct lock_class_key rq_lock_key; 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) static inline int cpu_of(struct rq *rq)
{ {
......
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