sched/core: Remove unused @cpu argument from destroy_sched_domain*()

Small cleanup; nothing uses the @cpu argument so make it go away.
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>

kernel/sched/core.c

@@ -5952,15 +5952,15 @@ static void free_sched_domain(struct rcu_head *rcu)
 	kfree(sd);
 }
 
-static void destroy_sched_domain(struct sched_domain *sd, int cpu)
+static void destroy_sched_domain(struct sched_domain *sd)
 {
 	call_rcu(&sd->rcu, free_sched_domain);
 }
 
-static void destroy_sched_domains(struct sched_domain *sd, int cpu)
+static void destroy_sched_domains(struct sched_domain *sd)
 {
 	for (; sd; sd = sd->parent)
-		destroy_sched_domain(sd, cpu);
+		destroy_sched_domain(sd);
 }
 
 /*
@@ -6032,7 +6032,7 @@ cpu_attach_domain(struct sched_domain *sd, struct root_domain *rd, int cpu)
 			 */
 			if (parent->flags & SD_PREFER_SIBLING)
 				tmp->flags |= SD_PREFER_SIBLING;
-			destroy_sched_domain(parent, cpu);
+			destroy_sched_domain(parent);
 		} else
 			tmp = tmp->parent;
 	}
@@ -6040,7 +6040,7 @@ cpu_attach_domain(struct sched_domain *sd, struct root_domain *rd, int cpu)
 	if (sd && sd_degenerate(sd)) {
 		tmp = sd;
 		sd = sd->parent;
-		destroy_sched_domain(tmp, cpu);
+		destroy_sched_domain(tmp);
 		if (sd)
 			sd->child = NULL;
 	}
@@ -6050,7 +6050,7 @@ cpu_attach_domain(struct sched_domain *sd, struct root_domain *rd, int cpu)
 	rq_attach_root(rq, rd);
 	tmp = rq->sd;
 	rcu_assign_pointer(rq->sd, sd);
-	destroy_sched_domains(tmp, cpu);
+	destroy_sched_domains(tmp);
 
 	update_top_cache_domain(cpu);
 }