We can avoid dirtying a rq related cacheline with a simple check, so why not. Signed-off-by: Gregory Haskins <ghaskins@xxxxxxxxxx> --- kernel/sched.c | 3 ++- 1 files changed, 2 insertions(+), 1 deletions(-) diff --git a/kernel/sched.c b/kernel/sched.c index e536142..1058a1f 100644 --- a/kernel/sched.c +++ b/kernel/sched.c @@ -376,7 +376,8 @@ static inline void update_rq_prio(struct rq *rq) struct rt_prio_array *array = &rq->rt.active; int prio = sched_find_first_bit(array->bitmap); - set_rq_prio(rq, prio); + if (rq->highest_prio != prio) + set_rq_prio(rq, prio); } #else - To unsubscribe from this list: send the line "unsubscribe linux-rt-users" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
