1 files changed, 1 insertions, 1 deletions

diff --git a/arch/s390/kernel/topology.c b/arch/s390/kernel/topology.c
index cc362c9ea8f1..3c72c9cf22b6 100644
--- a/arch/s390/kernel/topology.c
+++ b/arch/s390/kernel/topology.c
@@ -74,7 +74,7 @@ static DEFINE_SPINLOCK(topology_lock);
 
 cpumask_t cpu_core_map[NR_CPUS];
 
-cpumask_t cpu_coregroup_map(unsigned int cpu)
+static cpumask_t cpu_coregroup_map(unsigned int cpu)
 {
         struct core_info *core = &core_info;
         unsigned long flags;