diff --git a/arch/arm/include/asm/memblock.h b/arch/arm/include/asm/memblock.h
index b8da2e4..6e937f7 100644
--- a/arch/arm/include/asm/memblock.h
+++ b/arch/arm/include/asm/memblock.h
@@ -1,6 +1,8 @@
 #ifndef _ASM_ARM_MEMBLOCK_H
 #define _ASM_ARM_MEMBLOCK_H
 
+#define ARCH_DISCARD_MEMBLOCK
+
 struct meminfo;
 struct machine_desc;