1 files changed, 1 insertions, 1 deletions

diff --git a/arch/s390/kernel/perf_event.c b/arch/s390/kernel/perf_event.c
index 5d2dfa31c4ef..61595c1f0a0f 100644
--- a/arch/s390/kernel/perf_event.c
+++ b/arch/s390/kernel/perf_event.c
@@ -121,7 +121,7 @@ unsigned long perf_misc_flags(struct pt_regs *regs)
                                : PERF_RECORD_MISC_KERNEL;
 }
 
-void print_debug_cf(void)
+static void print_debug_cf(void)
 {
         struct cpumf_ctr_info cf_info;
         int cpu = smp_processor_id();