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tile: drop pte_file()-related helpers

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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>
This commit is contained in:
Kirill A. Shutemov 2015-02-10 14:11:14 -08:00 committed by Linus Torvalds
parent 6a8c482089
commit eb12f4872a
2 changed files with 0 additions and 15 deletions
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11
arch/tile/include/asm/pgtable.h
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@ -284,17 +284,6 @@ static inline pte_t pfn_pte(unsigned long pfn, pgprot_t prot)
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;

4
arch/tile/mm/homecache.c
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@ -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)