diff --git a/sys/compat/linuxkpi/common/include/linux/compiler.h b/sys/compat/linuxkpi/common/include/linux/compiler.h
--- a/sys/compat/linuxkpi/common/include/linux/compiler.h
+++ b/sys/compat/linuxkpi/common/include/linux/compiler.h
@@ -31,6 +31,7 @@
 #define	_LINUXKPI_LINUX_COMPILER_H_
 
 #include <sys/cdefs.h>
+#include <sys/endian.h>
 
 #define __user
 #define __kernel
@@ -79,6 +80,13 @@
 #else
 #define	__counted_by(_x)
 #endif
+#if BYTE_ORDER == LITTLE_ENDIAN
+#define	__counted_by_le(_x)		__counted_by(_x)
+#define	__counted_by_be(_x)
+#else
+#define	__counted_by_le(_x)
+#define	__counted_by_be(_x)		__counted_by(_x)
+#endif
 
 #define	likely(x)			__builtin_expect(!!(x), 1)
 #define	unlikely(x)			__builtin_expect(!!(x), 0)