--- zzzz-none-000/linux-3.10.107/arch/microblaze/include/asm/page.h	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/arch/microblaze/include/asm/page.h	2021-02-04 17:41:59.000000000 +0000
@@ -168,7 +168,6 @@
 #  else /* CONFIG_MMU */
 #  define ARCH_PFN_OFFSET	(memory_start >> PAGE_SHIFT)
 #  define pfn_valid(pfn)	((pfn) < (max_mapnr + ARCH_PFN_OFFSET))
-#  define VALID_PAGE(page) 	((page - mem_map) < max_mapnr)
 #  endif /* CONFIG_MMU */
 
 # endif /* __ASSEMBLY__ */