1 files changed, 1 insertions, 1 deletions

diff --git a/arch/um/kernel/smp.c b/arch/um/kernel/smp.c
index 6f588e160fb0..a02b7e9e6b94 100644
--- a/arch/um/kernel/smp.c
+++ b/arch/um/kernel/smp.c
@@ -140,7 +140,7 @@ void smp_prepare_boot_cpu(void)
         set_cpu_online(smp_processor_id(), true);
 }
 
-int __cpu_up(unsigned int cpu)
+int __cpu_up(unsigned int cpu, struct task_struct *tidle)
 {
         cpu_set(cpu, smp_commenced_mask);
         while (!cpu_online(cpu))