[PATCH] sched: fix the all pinned logic in load_balance_newidle()

nr_moved is not the correct check for triggering all pinned logic. Fix
the all pinned logic in the case of load_balance_newidle().

Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

kernel/sched.c

@@ -2679,6 +2679,7 @@ load_balance_newidle(int this_cpu, struct rq *this_rq, struct sched_domain *sd)
 	unsigned long imbalance;
 	int nr_moved = 0;
 	int sd_idle = 0;
+	int all_pinned = 0;
 	cpumask_t cpus = CPU_MASK_ALL;
 
 	/*
@@ -2717,10 +2718,11 @@ redo:
 		double_lock_balance(this_rq, busiest);
 		nr_moved = move_tasks(this_rq, this_cpu, busiest,
 					minus_1_or_zero(busiest->nr_running),
-					imbalance, sd, CPU_NEWLY_IDLE, NULL);
+					imbalance, sd, CPU_NEWLY_IDLE,
+					&all_pinned);
 		spin_unlock(&busiest->lock);
 
-		if (!nr_moved) {
+		if (unlikely(all_pinned)) {
 			cpu_clear(cpu_of(busiest), cpus);
 			if (!cpus_empty(cpus))
 				goto redo;