diff --git a/arch/x86/include/asm/page_64.h b/arch/x86/include/asm/page_64.h
index 4bde0dc66100cd6d8207f317b2eec59ebc5cc57a..e9c86299b835144c9df4d8e72c502ac8ac0101ef 100644
--- a/arch/x86/include/asm/page_64.h
+++ b/arch/x86/include/asm/page_64.h
@@ -5,6 +5,7 @@
 #include <asm/page_64_types.h>
 
 #ifndef __ASSEMBLY__
+#include <asm/cpufeatures.h>
 #include <asm/alternative.h>
 
 /* duplicated to the one in bootmem.h */