diff --git a/include/linux/memblock.h b/include/linux/memblock.h
index c24b278..3978e6a 100644
--- a/include/linux/memblock.h
+++ b/include/linux/memblock.h
@@ -149,6 +149,14 @@
 	     region++)
 
 
+#ifdef ARCH_DISCARD_MEMBLOCK
+#define __init_memblock __init
+#define __initdata_memblock __initdata
+#else
+#define __init_memblock
+#define __initdata_memblock
+#endif
+
 #endif /* CONFIG_HAVE_MEMBLOCK */
 
 #endif /* __KERNEL__ */