--- zzzz-none-000/linux-3.10.107/arch/sh/include/asm/pgtable_64.h	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/arch/sh/include/asm/pgtable_64.h	2021-02-04 17:41:59.000000000 +0000
@@ -107,7 +107,6 @@
 #define _PAGE_DEVICE	0x001  /* CB0: if uncacheable, 1->device (i.e. no write-combining or reordering at bus level) */
 #define _PAGE_CACHABLE	0x002  /* CB1: uncachable/cachable */
 #define _PAGE_PRESENT	0x004  /* software: page referenced */
-#define _PAGE_FILE	0x004  /* software: only when !present */
 #define _PAGE_SIZE0	0x008  /* SZ0-bit : size of page */
 #define _PAGE_SIZE1	0x010  /* SZ1-bit : size of page */
 #define _PAGE_SHARED	0x020  /* software: reflects PTEH's SH */
@@ -129,7 +128,7 @@
 #define _PAGE_WIRED	_PAGE_EXT(0x001) /* software: wire the tlb entry */
 #define _PAGE_SPECIAL	_PAGE_EXT(0x002)
 
-#define _PAGE_CLEAR_FLAGS	(_PAGE_PRESENT | _PAGE_FILE | _PAGE_SHARED | \
+#define _PAGE_CLEAR_FLAGS	(_PAGE_PRESENT | _PAGE_SHARED | \
 				 _PAGE_DIRTY | _PAGE_ACCESSED | _PAGE_WIRED)
 
 /* Mask which drops software flags */
@@ -260,7 +259,6 @@
  */
 static inline int pte_dirty(pte_t pte)  { return pte_val(pte) & _PAGE_DIRTY; }
 static inline int pte_young(pte_t pte)  { return pte_val(pte) & _PAGE_ACCESSED; }
-static inline int pte_file(pte_t pte)   { return pte_val(pte) & _PAGE_FILE; }
 static inline int pte_write(pte_t pte)  { return pte_val(pte) & _PAGE_WRITE; }
 static inline int pte_special(pte_t pte){ return pte_val(pte) & _PAGE_SPECIAL; }
 
@@ -304,11 +302,6 @@
 #define __pte_to_swp_entry(pte)		((swp_entry_t) { pte_val(pte) })
 #define __swp_entry_to_pte(x)		((pte_t) { (x).val })
 
-/* Encode and decode a nonlinear file mapping entry */
-#define PTE_FILE_MAX_BITS		29
-#define pte_to_pgoff(pte)		(pte_val(pte))
-#define pgoff_to_pte(off)		((pte_t) { (off) | _PAGE_FILE })
-
 #endif /* !__ASSEMBLY__ */
 
 #define pfn_pte(pfn, prot)	__pte(((pfn) << PAGE_SHIFT) | pgprot_val(prot))