sched: Remove unused parameter from nohz_balancer_kick()

The cpu parameter is no longer needed in nohz_balancer_kick, let's remove
the parameter.

Reviewed-by: Preeti U Murthy <preeti@linux.vnet.ibm.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Signed-off-by: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/1389008085-9069-6-git-send-email-daniel.lezcano@linaro.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>

kernel/sched/fair.c

@@ -6524,7 +6524,7 @@ static inline int find_new_ilb(void)
  * nohz_load_balancer CPU (if there is one) otherwise fallback to any idle
  * CPU (if there is one).
  */
-static void nohz_balancer_kick(int cpu)
+static void nohz_balancer_kick(void)
 {
 	int ilb_cpu;
 
@@ -6878,15 +6878,13 @@ static inline int on_null_domain(struct rq *rq)
  */
 void trigger_load_balance(struct rq *rq)
 {
-	int cpu = rq->cpu;
-
 	/* Don't need to rebalance while attached to NULL domain */
 	if (time_after_eq(jiffies, rq->next_balance) &&
 	    likely(!on_null_domain(rq)))
 		raise_softirq(SCHED_SOFTIRQ);
 #ifdef CONFIG_NO_HZ_COMMON
 	if (nohz_kick_needed(rq) && likely(!on_null_domain(rq)))
-		nohz_balancer_kick(cpu);
+		nohz_balancer_kick();
 #endif
 }