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authorKirill A. Shutemov <kirill.shutemov@linux.intel.com>2015-02-10 14:11:01 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2015-02-10 14:30:33 -0800
commit8d55da810f1fabcf1d4c0bbc46205e5f2c0fa84b (patch)
treed19e66873fdf1baebf3f8fffd368b5e4a8118d93 /arch/parisc
parent3824e3cf7e865b2ff0b71de23b16e332fe6a853a (diff)
downloadlinux-sh-8d55da810f1fabcf1d4c0bbc46205e5f2c0fa84b.tar.gz
parisc: 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: "James E.J. Bottomley" <jejb@parisc-linux.org> Cc: Helge Deller <deller@gmx.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/parisc')
-rw-r--r--arch/parisc/include/asm/pgtable.h10
1 files changed, 0 insertions, 10 deletions
diff --git a/arch/parisc/include/asm/pgtable.h b/arch/parisc/include/asm/pgtable.h
index 22b89d1edba7..1d49a4a7749b 100644
--- a/arch/parisc/include/asm/pgtable.h
+++ b/arch/parisc/include/asm/pgtable.h
@@ -146,7 +146,6 @@ extern void purge_tlb_entries(struct mm_struct *, unsigned long);
#define _PAGE_GATEWAY_BIT 28 /* (0x008) privilege promotion allowed */
#define _PAGE_DMB_BIT 27 /* (0x010) Data Memory Break enable (B bit) */
#define _PAGE_DIRTY_BIT 26 /* (0x020) Page Dirty (D bit) */
-#define _PAGE_FILE_BIT _PAGE_DIRTY_BIT /* overload this bit */
#define _PAGE_REFTRAP_BIT 25 /* (0x040) Page Ref. Trap enable (T bit) */
#define _PAGE_NO_CACHE_BIT 24 /* (0x080) Uncached Page (U bit) */
#define _PAGE_ACCESSED_BIT 23 /* (0x100) Software: Page Accessed */
@@ -167,13 +166,6 @@ extern void purge_tlb_entries(struct mm_struct *, unsigned long);
/* PFN_PTE_SHIFT defines the shift of a PTE value to access the PFN field */
#define PFN_PTE_SHIFT 12
-
-/* this is how many bits may be used by the file functions */
-#define PTE_FILE_MAX_BITS (BITS_PER_LONG - PTE_SHIFT)
-
-#define pte_to_pgoff(pte) (pte_val(pte) >> PTE_SHIFT)
-#define pgoff_to_pte(off) ((pte_t) { ((off) << PTE_SHIFT) | _PAGE_FILE })
-
#define _PAGE_READ (1 << xlate_pabit(_PAGE_READ_BIT))
#define _PAGE_WRITE (1 << xlate_pabit(_PAGE_WRITE_BIT))
#define _PAGE_RW (_PAGE_READ | _PAGE_WRITE)
@@ -186,7 +178,6 @@ extern void purge_tlb_entries(struct mm_struct *, unsigned long);
#define _PAGE_ACCESSED (1 << xlate_pabit(_PAGE_ACCESSED_BIT))
#define _PAGE_PRESENT (1 << xlate_pabit(_PAGE_PRESENT_BIT))
#define _PAGE_USER (1 << xlate_pabit(_PAGE_USER_BIT))
-#define _PAGE_FILE (1 << xlate_pabit(_PAGE_FILE_BIT))
#define _PAGE_TABLE (_PAGE_PRESENT | _PAGE_READ | _PAGE_WRITE | _PAGE_DIRTY | _PAGE_ACCESSED)
#define _PAGE_CHG_MASK (PAGE_MASK | _PAGE_ACCESSED | _PAGE_DIRTY)
@@ -344,7 +335,6 @@ static inline void pgd_clear(pgd_t * pgdp) { }
static inline int pte_dirty(pte_t pte) { return pte_val(pte) & _PAGE_DIRTY; }
static inline int pte_young(pte_t pte) { return pte_val(pte) & _PAGE_ACCESSED; }
static inline int pte_write(pte_t pte) { return pte_val(pte) & _PAGE_WRITE; }
-static inline int pte_file(pte_t pte) { return pte_val(pte) & _PAGE_FILE; }
static inline int pte_special(pte_t pte) { return 0; }
static inline pte_t pte_mkclean(pte_t pte) { pte_val(pte) &= ~_PAGE_DIRTY; return pte; }