alpha: 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>
Cc: Richard Henderson <rth@twiddle.net>
Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru>
Cc: Matt Turner <mattst88@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/arch/alpha/include/asm/pgtable.h b/arch/alpha/include/asm/pgtable.h
index d8f9b7e892348359837e34b558a7a28ae121530c..fce22cf88ee9cabedfc78f1abe1fdc171ae98f9c 100644 (file)
--- a/arch/alpha/include/asm/pgtable.h
+++ b/arch/alpha/include/asm/pgtable.h
@@ -73,7 +73,6 @@ struct vm_area_struct;
 /* .. and these are ours ... */
 #define _PAGE_DIRTY    0x20000
 #define _PAGE_ACCESSED 0x40000
-#define _PAGE_FILE     0x80000 /* set:pagecache, unset:swap */
 
 /*
  * NOTE! The "accessed" bit isn't necessarily exact:  it can be kept exactly
@@ -268,7 +267,6 @@ extern inline void pgd_clear(pgd_t * pgdp)  { pgd_val(*pgdp) = 0; }
 extern inline int pte_write(pte_t pte)         { return !(pte_val(pte) & _PAGE_FOW); }
 extern inline int pte_dirty(pte_t pte)         { return pte_val(pte) & _PAGE_DIRTY; }
 extern inline int pte_young(pte_t pte)         { return pte_val(pte) & _PAGE_ACCESSED; }
-extern inline int pte_file(pte_t pte)          { return pte_val(pte) & _PAGE_FILE; }
 extern inline int pte_special(pte_t pte)       { return 0; }
 
 extern inline pte_t pte_wrprotect(pte_t pte)   { pte_val(pte) |= _PAGE_FOW; return pte; }
@@ -345,11 +343,6 @@ extern inline pte_t mk_swap_pte(unsigned long type, unsigned long offset)
 #define __pte_to_swp_entry(pte)        ((swp_entry_t) { pte_val(pte) })
 #define __swp_entry_to_pte(x)  ((pte_t) { (x).val })
 
-#define pte_to_pgoff(pte)      (pte_val(pte) >> 32)
-#define pgoff_to_pte(off)      ((pte_t) { ((off) << 32) | _PAGE_FILE })
-
-#define PTE_FILE_MAX_BITS      32
-
 #ifndef CONFIG_DISCONTIGMEM
 #define kern_addr_valid(addr)  (1)
 #endif