diff --git a/arch/x86/kernel/e820_64.c b/arch/x86/kernel/e820_64.c
index 5a9bc9244dc6364d4632cd6097a0569622cc18a4..3b2e0b1bb49b65a76234c79512b625cefc9abe9a 100644
--- a/arch/x86/kernel/e820_64.c
+++ b/arch/x86/kernel/e820_64.c
@@ -19,6 +19,7 @@
 #include <linux/mm.h>
 #include <linux/suspend.h>
 #include <linux/pfn.h>
+#include <linux/pci.h>
 
 #include <asm/pgtable.h>
 #include <asm/page.h>