m32r: drop _PAGE_FILE and pte_file()-related helpers

We've replaced remap_file_pages(2) implementation with emulation.  Nobody
creates non-linear mapping anymore.

Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/arch/m32r/include/asm/pgtable-2level.h b/arch/m32r/include/asm/pgtable-2level.h
index 9cdaf73..8fd8ee7 100644 (file)
--- a/arch/m32r/include/asm/pgtable-2level.h
+++ b/arch/m32r/include/asm/pgtable-2level.h
@@ -70,9 +70,5 @@ static inline pmd_t *pmd_offset(pgd_t * dir, unsigned long address)
 #define pfn_pte(pfn, prot)     __pte(((pfn) << PAGE_SHIFT) | pgprot_val(prot))
 #define pfn_pmd(pfn, prot)     __pmd(((pfn) << PAGE_SHIFT) | pgprot_val(prot))
 
-#define PTE_FILE_MAX_BITS      29
-#define pte_to_pgoff(pte)      (((pte_val(pte) >> 2) & 0x7f) | (((pte_val(pte) >> 10)) << 7))
-#define pgoff_to_pte(off)      ((pte_t) { (((off) & 0x7f) << 2) | (((off) >> 7) << 10) | _PAGE_FILE })
-
 #endif /* __KERNEL__ */
 #endif /* _ASM_M32R_PGTABLE_2LEVEL_H */

diff --git a/arch/m32r/include/asm/pgtable.h b/arch/m32r/include/asm/pgtable.h
index 103ce67..050f7a6 100644 (file)
--- a/arch/m32r/include/asm/pgtable.h
+++ b/arch/m32r/include/asm/pgtable.h
@@ -80,8 +80,6 @@ extern unsigned long empty_zero_page[1024];
  */
 
 #define _PAGE_BIT_DIRTY                0       /* software: page changed */
-#define _PAGE_BIT_FILE         0       /* when !present: nonlinear file
-                                          mapping */
 #define _PAGE_BIT_PRESENT      1       /* Valid: page is valid */
 #define _PAGE_BIT_GLOBAL       2       /* Global */
 #define _PAGE_BIT_LARGE                3       /* Large */
@@ -93,7 +91,6 @@ extern unsigned long empty_zero_page[1024];
 #define _PAGE_BIT_PROTNONE     9       /* software: if not present */
 
 #define _PAGE_DIRTY            (1UL << _PAGE_BIT_DIRTY)
-#define _PAGE_FILE             (1UL << _PAGE_BIT_FILE)
 #define _PAGE_PRESENT          (1UL << _PAGE_BIT_PRESENT)
 #define _PAGE_GLOBAL           (1UL << _PAGE_BIT_GLOBAL)
 #define _PAGE_LARGE            (1UL << _PAGE_BIT_LARGE)
@@ -206,14 +203,6 @@ static inline int pte_write(pte_t pte)
        return pte_val(pte) & _PAGE_WRITE;
 }
 
-/*
- * The following only works if pte_present() is not true.
- */
-static inline int pte_file(pte_t pte)
-{
-       return pte_val(pte) & _PAGE_FILE;
-}
-
 static inline int pte_special(pte_t pte)
 {
        return 0;