1 files changed, 6 insertions, 0 deletions

diff --git a/arch/s390/include/asm/processor.h b/arch/s390/include/asm/processor.h
index 46fe1fbf91c5..7e81ff17a89b 100644
--- a/arch/s390/include/asm/processor.h
+++ b/arch/s390/include/asm/processor.h
@@ -140,6 +140,12 @@ struct task_struct;
 struct mm_struct;
 struct seq_file;
 
+#ifdef CONFIG_64BIT
+extern void show_cacheinfo(struct seq_file *m);
+#else
+static inline void show_cacheinfo(struct seq_file *m) { }
+#endif
+
 /* Free all resources held by a thread. */
 extern void release_thread(struct task_struct *);
 extern int kernel_thread(int (*fn)(void *), void * arg, unsigned long flags);