diff --git a/tools/build/cross-build/include/linux/sys/param.h b/tools/build/cross-build/include/linux/sys/param.h
--- a/tools/build/cross-build/include/linux/sys/param.h
+++ b/tools/build/cross-build/include/linux/sys/param.h
@@ -45,3 +45,5 @@
  * let's use 32 since that will work across all systems
  */
 #define MAXLOGNAME 33 /* max login name length (incl. NUL) */
+
+#include <sys/types.h>