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 d8f9b7e..fce22cf 100644
--- a/arch/alpha/include/asm/pgtable.h
+++ b/arch/alpha/include/asm/pgtable.h
@@ -73,7 +73,6 @@
/* .. 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 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 @@
#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