diff --git a/arch/sparc/include/asm/nmi.h b/arch/sparc/include/asm/nmi.h
index c7d11e4..72e6500 100644
--- a/arch/sparc/include/asm/nmi.h
+++ b/arch/sparc/include/asm/nmi.h
@@ -7,4 +7,7 @@
 
 extern atomic_t nmi_active;
 
+extern void start_nmi_watchdog(void *unused);
+extern void stop_nmi_watchdog(void *unused);
+
 #endif /* __NMI_H */