diff --git a/arch/x86/cpu/qemu/dram.c b/arch/x86/cpu/qemu/dram.c
index 595c397..1a52d1d 100644
--- a/arch/x86/cpu/qemu/dram.c
+++ b/arch/x86/cpu/qemu/dram.c
@@ -8,6 +8,7 @@
 #include <asm/global_data.h>
 #include <asm/post.h>
 #include <asm/arch/qemu.h>
+#include <linux/sizes.h>
 
 DECLARE_GLOBAL_DATA_PTR;