--- ac809b1e64f78ca7e2202464b6672ef61fdfe7f2
+++ 9a60cc21964ffaf047f57e118beb4df03657dd3a
@@ -9,6 +9,7 @@
 
 #include "xz_private.h"
 #include "xz_stream.h"
+#include <linux/kernel.h>
 
 /* Hash used to validate the Index field */
 struct xz_dec_hash {