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| author | Kirill A. Shutemov <kirill.shutemov@linux.intel.com> | 2015-02-10 14:10:58 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2015-02-10 14:30:33 -0800 |
| commit | 3824e3cf7e865b2ff0b71de23b16e332fe6a853a (patch) | |
| tree | e26956b75d5956822852f8fa0a6053052f8ab9c0 /arch/openrisc | |
| parent | 3ee802ead2de2346dd110e233d14602b2de26b3c (diff) | |
| download | op-kernel-dev-3824e3cf7e865b2ff0b71de23b16e332fe6a853a.zip op-kernel-dev-3824e3cf7e865b2ff0b71de23b16e332fe6a853a.tar.gz | |
openrisc: 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: Jonas Bonn <jonas@southpole.se>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/openrisc')
| -rw-r--r-- | arch/openrisc/include/asm/pgtable.h | 8 | ||||
| -rw-r--r-- | arch/openrisc/kernel/head.S | 5 |
2 files changed, 0 insertions, 13 deletions
diff --git a/arch/openrisc/include/asm/pgtable.h b/arch/openrisc/include/asm/pgtable.h index 37bf6a3..18994cc 100644 --- a/arch/openrisc/include/asm/pgtable.h +++ b/arch/openrisc/include/asm/pgtable.h @@ -125,7 +125,6 @@ extern void paging_init(void); #define _PAGE_CC 0x001 /* software: pte contains a translation */ #define _PAGE_CI 0x002 /* cache inhibit */ #define _PAGE_WBC 0x004 /* write back cache */ -#define _PAGE_FILE 0x004 /* set: pagecache, unset: swap (when !PRESENT) */ #define _PAGE_WOM 0x008 /* weakly ordered memory */ #define _PAGE_A 0x010 /* accessed */ @@ -240,7 +239,6 @@ static inline int pte_write(pte_t pte) { return pte_val(pte) & _PAGE_WRITE; } static inline int pte_exec(pte_t pte) { return pte_val(pte) & _PAGE_EXEC; } 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_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_mkspecial(pte_t pte) { return pte; } @@ -438,12 +436,6 @@ static inline 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 */ - -#define PTE_FILE_MAX_BITS 26 -#define pte_to_pgoff(x) (pte_val(x) >> 6) -#define pgoff_to_pte(x) __pte(((x) << 6) | _PAGE_FILE) - #define kern_addr_valid(addr) (1) #include <asm-generic/pgtable.h> diff --git a/arch/openrisc/kernel/head.S b/arch/openrisc/kernel/head.S index 1d3c9c2..f147933 100644 --- a/arch/openrisc/kernel/head.S +++ b/arch/openrisc/kernel/head.S @@ -754,11 +754,6 @@ _dc_enable: /* ===============================================[ page table masks ]=== */ -/* bit 4 is used in hardware as write back cache bit. we never use this bit - * explicitly, so we can reuse it as _PAGE_FILE bit and mask it out when - * writing into hardware pte's - */ - #define DTLB_UP_CONVERT_MASK 0x3fa #define ITLB_UP_CONVERT_MASK 0x3a |
