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authorKirill A. Shutemov <kirill.shutemov@linux.intel.com>2015-02-10 14:11:14 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2015-02-10 14:30:33 -0800
commiteb12f4872a3845a8803f689646dea5b92a30aff7 (patch)
treeadfdbae6f4bd9336682e37c21624c32f00dfab88 /arch
parent6a8c4820895cf1dd2a128aef67ce079ba6eded80 (diff)
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>
Diffstat (limited to 'arch')
-rw-r--r--arch/tile/include/asm/pgtable.h11
-rw-r--r--arch/tile/mm/homecache.c4
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)