Commit f9aa8547 authored Aug 24, 2015 by Joonwoo Park

sched: avoid unnecessary multiplication and division



Avoid unnecessary multiplication and division when load scaling factor
is 1024.

Change-Id: If3cb63a77feaf49cc69ddec7f41cc3c1cabbfc5a
Signed-off-by: Joonwoo Park <joonwoop@codeaurora.org>

parent bcc5677f

kernel/sched/sched.h

+4 −2

Original line number	Diff line number	Diff line
		@@ -944,8 +944,10 @@ static inline u64 scale_load_to_cpu(u64 task_load, int cpu)
		{
		struct rq *rq = cpu_rq(cpu);

		if (rq->load_scale_factor != 1024) {
		task_load *= (u64)rq->load_scale_factor;
		task_load /= 1024;
		}

		return task_load;
		}