diff --git a/arch/x86/lib/acpi_s3.c b/arch/x86/lib/acpi_s3.c
index 3175da8..182379b 100644
--- a/arch/x86/lib/acpi_s3.c
+++ b/arch/x86/lib/acpi_s3.c
@@ -8,6 +8,7 @@
 #include <asm/acpi_s3.h>
 #include <asm/acpi_table.h>
 #include <asm/post.h>
+#include <linux/linkage.h>
 
 DECLARE_GLOBAL_DATA_PTR;