--- zzzz-none-000/linux-3.10.107/include/asm-generic/4level-fixup.h	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/include/asm-generic/4level-fixup.h	2021-02-04 17:41:59.000000000 +0000
@@ -4,6 +4,7 @@
 #define __ARCH_HAS_4LEVEL_HACK
 #define __PAGETABLE_PUD_FOLDED
 
+#define PUD_SHIFT			PGDIR_SHIFT
 #define PUD_SIZE			PGDIR_SIZE
 #define PUD_MASK			PGDIR_MASK
 #define PTRS_PER_PUD			1