--- zzzz-none-000/linux-3.10.107/arch/ia64/include/asm/page.h	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/arch/ia64/include/asm/page.h	2021-02-04 17:41:59.000000000 +0000
@@ -173,7 +173,7 @@
    */
   typedef struct { unsigned long pte; } pte_t;
   typedef struct { unsigned long pmd; } pmd_t;
-#ifdef CONFIG_PGTABLE_4
+#if CONFIG_PGTABLE_LEVELS == 4
   typedef struct { unsigned long pud; } pud_t;
 #endif
   typedef struct { unsigned long pgd; } pgd_t;
@@ -182,7 +182,7 @@
 
 # define pte_val(x)	((x).pte)
 # define pmd_val(x)	((x).pmd)
-#ifdef CONFIG_PGTABLE_4
+#if CONFIG_PGTABLE_LEVELS == 4
 # define pud_val(x)	((x).pud)
 #endif
 # define pgd_val(x)	((x).pgd)
@@ -231,4 +231,6 @@
 #define PERCPU_ADDR		(-PERCPU_PAGE_SIZE)
 #define LOAD_OFFSET		(KERNEL_START - KERNEL_TR_PAGE_SIZE)
 
+#define __HAVE_ARCH_GATE_AREA	1
+
 #endif /* _ASM_IA64_PAGE_H */