tile: drop 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>
Acked-by: Chris Metcalf <cmetcalf@ezchip.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

2 files changed, 0 insertions, 15 deletions

diff --git a/arch/tile/include/asm/pgtable.h b/arch/tile/include/asm/pgtable.h
index 5d1950788c69..bc75b6ef2e79 100644
--- a/arch/tile/include/asm/pgtable.h
+++ b/arch/tile/include/asm/pgtable.h
@@ -285,17 +285,6 @@ extern void start_mm_caching(struct mm_struct *mm);
 extern void check_mm_caching(struct mm_struct *prev, struct mm_struct *next);
 
 /*
- * Support non-linear file mappings (see sys_remap_file_pages).
- * This is defined by CLIENT1 set but CLIENT0 and _PAGE_PRESENT clear, and the
- * file offset in the 32 high bits.
- */
-#define _PAGE_FILE        HV_PTE_CLIENT1
-#define PTE_FILE_MAX_BITS 32
-#define pte_file(pte)     (hv_pte_get_client1(pte) && !hv_pte_get_client0(pte))
-#define pte_to_pgoff(pte) ((pte).val >> 32)
-#define pgoff_to_pte(off) ((pte_t) { (((long long)(off)) << 32) | _PAGE_FILE })
-
-/*
  * Encode and de-code a swap entry (see <linux/swapops.h>).
  * We put the swap file type+offset in the 32 high bits;
  * I believe we can just leave the low bits clear.
diff --git a/arch/tile/mm/homecache.c b/arch/tile/mm/homecache.c
index cd3387370ebb..0029b3fb651b 100644
--- a/arch/tile/mm/homecache.c
+++ b/arch/tile/mm/homecache.c
@@ -263,10 +263,6 @@ static int pte_to_home(pte_t pte)
 /* Update the home of a PTE if necessary (can also be used for a pgprot_t). */
 pte_t pte_set_home(pte_t pte, int home)
 {
-        /* Check for non-linear file mapping "PTEs" and pass them through. */
-        if (pte_file(pte))
-                return pte;
-
 #if CHIP_HAS_MMIO()
         /* Check for MMIO mappings and pass them through. */
         if (hv_pte_get_mode(pte) == HV_PTE_MODE_MMIO)