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| author | Kirill A. Shutemov <kirill.shutemov@linux.intel.com> | 2015-02-10 14:10:20 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2015-02-10 14:30:31 -0800 |
| commit | 7a7d2db4b8b3505a3195178619ffcc80985c4be1 (patch) | |
| tree | 650dd0479b068d0f96cab327882463f3f3b52421 | |
| parent | b007ea798f5c568d3f464d37288220ef570f062c (diff) | |
| download | linux-7a7d2db4b8b3505a3195178619ffcc80985c4be1.tar.gz linux-7a7d2db4b8b3505a3195178619ffcc80985c4be1.tar.bz2 linux-7a7d2db4b8b3505a3195178619ffcc80985c4be1.zip | |
avr32: 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: Haavard Skinnemoen <hskinnemoen@gmail.com>
Acked-by: Hans-Christian Egtvedt <egtvedt@samfundet.no>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| -rw-r--r-- | arch/avr32/include/asm/pgtable.h | 25 |
1 files changed, 0 insertions, 25 deletions
diff --git a/arch/avr32/include/asm/pgtable.h b/arch/avr32/include/asm/pgtable.h index 4beff97e2033..ac7a817e2126 100644 --- a/arch/avr32/include/asm/pgtable.h +++ b/arch/avr32/include/asm/pgtable.h @@ -86,9 +86,6 @@ extern struct page *empty_zero_page; #define _PAGE_BIT_PRESENT 10 #define _PAGE_BIT_ACCESSED 11 /* software: page was accessed */ -/* The following flags are only valid when !PRESENT */ -#define _PAGE_BIT_FILE 0 /* software: pagecache or swap? */ - #define _PAGE_WT (1 << _PAGE_BIT_WT) #define _PAGE_DIRTY (1 << _PAGE_BIT_DIRTY) #define _PAGE_EXECUTE (1 << _PAGE_BIT_EXECUTE) @@ -101,7 +98,6 @@ extern struct page *empty_zero_page; /* Software flags */ #define _PAGE_ACCESSED (1 << _PAGE_BIT_ACCESSED) #define _PAGE_PRESENT (1 << _PAGE_BIT_PRESENT) -#define _PAGE_FILE (1 << _PAGE_BIT_FILE) /* * Page types, i.e. sizes. _PAGE_TYPE_NONE corresponds to what is @@ -210,14 +206,6 @@ static inline int pte_special(pte_t pte) return 0; } -/* - * The following only work if pte_present() is not true. - */ -static inline int pte_file(pte_t pte) -{ - return pte_val(pte) & _PAGE_FILE; -} - /* Mutator functions for PTE bits */ static inline pte_t pte_wrprotect(pte_t pte) { @@ -329,7 +317,6 @@ extern void update_mmu_cache(struct vm_area_struct * vma, * Encode and decode a swap entry * * Constraints: - * _PAGE_FILE at bit 0 * _PAGE_TYPE_* at bits 2-3 (for emulating _PAGE_PROTNONE) * _PAGE_PRESENT at bit 10 * @@ -346,18 +333,6 @@ extern void update_mmu_cache(struct vm_area_struct * vma, #define __pte_to_swp_entry(pte) ((swp_entry_t) { pte_val(pte) }) #define __swp_entry_to_pte(x) ((pte_t) { (x).val }) -/* - * Encode and decode a nonlinear file mapping entry. We have to - * preserve _PAGE_FILE and _PAGE_PRESENT here. _PAGE_TYPE_* isn't - * necessary, since _PAGE_FILE implies !_PAGE_PROTNONE (?) - */ -#define PTE_FILE_MAX_BITS 30 -#define pte_to_pgoff(pte) (((pte_val(pte) >> 1) & 0x1ff) \ - | ((pte_val(pte) >> 11) << 9)) -#define pgoff_to_pte(off) ((pte_t) { ((((off) & 0x1ff) << 1) \ - | (((off) >> 9) << 11) \ - | _PAGE_FILE) }) - typedef pte_t *pte_addr_t; #define kern_addr_valid(addr) (1) |