diff --git a/include/linux/kernel.h b/include/linux/kernel.h
index 18222f2..9e01f37 100644
--- a/include/linux/kernel.h
+++ b/include/linux/kernel.h
@@ -243,6 +243,7 @@
 #define TAINT_BAD_PAGE			(1<<5)
 #define TAINT_USER			(1<<6)
 #define TAINT_DIE			(1<<7)
+#define TAINT_OVERRIDDEN_ACPI_TABLE	(1<<8)
 
 extern void dump_stack(void) __cold;