diff --git a/kernel/cpu.c b/kernel/cpu.c
index fc15c01..9bd53e6 100644
--- a/kernel/cpu.c
+++ b/kernel/cpu.c
@@ -1159,7 +1159,7 @@ int remove_cpu(unsigned int cpu)
 }
 EXPORT_SYMBOL_GPL(remove_cpu);
 
-extern bool dl_cpu_busy(unsigned int cpu);
+extern int  dl_cpu_busy(int cpu, struct task_struct *p);
 
 int __pause_drain_rq(struct cpumask *cpus)
 {
@@ -1234,7 +1234,7 @@ int pause_cpus(struct cpumask *cpus)
 	cpumask_and(cpus, cpus, cpu_active_mask);
 
 	for_each_cpu(cpu, cpus) {
-		if (!cpu_online(cpu) || dl_cpu_busy(cpu) ||
+		if (!cpu_online(cpu) || dl_cpu_busy(cpu, NULL) ||
 			get_cpu_device(cpu)->offline_disabled == true) {
 			err = -EBUSY;
 			goto err_cpu_maps_update;