--- zzzz-none-000/linux-3.10.107/arch/alpha/include/asm/mmzone.h	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/arch/alpha/include/asm/mmzone.h	2021-02-04 17:41:59.000000000 +0000
@@ -71,8 +71,6 @@
 
 #define virt_to_page(kaddr)	pfn_to_page(__pa(kaddr) >> PAGE_SHIFT)
 
-#define VALID_PAGE(page)	(((page) - mem_map) < max_mapnr)
-
 #define pmd_page(pmd)		(pfn_to_page(pmd_val(pmd) >> 32))
 #define pgd_page(pgd)		(pfn_to_page(pgd_val(pgd) >> 32))
 #define pte_pfn(pte)		(pte_val(pte) >> 32)