diff --git a/include/asm-sh/processor.h b/include/asm-sh/processor.h
index b98c882d5036..76c4dc7021cb 100644
--- a/include/asm-sh/processor.h
+++ b/include/asm-sh/processor.h
@@ -49,4 +49,10 @@ enum cpu_type {
 /* arch/sh/kernel/setup.c */
 const char *get_cpu_subtype(struct sh_cpuinfo *c);
 
+#ifdef CONFIG_VSYSCALL
+int vsyscall_init(void);
+#else
+#define vsyscall_init() do { } while (0)
+#endif
+
 #endif /* __ASM_SH_PROCESSOR_H */
diff --git a/include/asm-sh/processor_32.h b/include/asm-sh/processor_32.h
index 35040fe43e5e..1ad74633c009 100644
--- a/include/asm-sh/processor_32.h
+++ b/include/asm-sh/processor_32.h
@@ -237,11 +237,5 @@ static inline void prefetch(void *x)
 #define prefetchw(x)	prefetch(x)
 #endif
 
-#ifdef CONFIG_VSYSCALL
-extern int vsyscall_init(void);
-#else
-#define vsyscall_init() do { } while (0)
-#endif
-
 #endif /* __KERNEL__ */
 #endif /* __ASM_SH_PROCESSOR_32_H */