forked from luck/tmp_suning_uos_patched
m32r: 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> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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@ -70,9 +70,5 @@ static inline pmd_t *pmd_offset(pgd_t * dir, unsigned long address)
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#define pfn_pte(pfn, prot) __pte(((pfn) << PAGE_SHIFT) | pgprot_val(prot))
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#define pfn_pmd(pfn, prot) __pmd(((pfn) << PAGE_SHIFT) | pgprot_val(prot))
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#define PTE_FILE_MAX_BITS 29
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#define pte_to_pgoff(pte) (((pte_val(pte) >> 2) & 0x7f) | (((pte_val(pte) >> 10)) << 7))
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#define pgoff_to_pte(off) ((pte_t) { (((off) & 0x7f) << 2) | (((off) >> 7) << 10) | _PAGE_FILE })
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#endif /* __KERNEL__ */
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#endif /* _ASM_M32R_PGTABLE_2LEVEL_H */
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@ -80,8 +80,6 @@ extern unsigned long empty_zero_page[1024];
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*/
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#define _PAGE_BIT_DIRTY 0 /* software: page changed */
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#define _PAGE_BIT_FILE 0 /* when !present: nonlinear file
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mapping */
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#define _PAGE_BIT_PRESENT 1 /* Valid: page is valid */
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#define _PAGE_BIT_GLOBAL 2 /* Global */
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#define _PAGE_BIT_LARGE 3 /* Large */
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@ -93,7 +91,6 @@ extern unsigned long empty_zero_page[1024];
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#define _PAGE_BIT_PROTNONE 9 /* software: if not present */
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#define _PAGE_DIRTY (1UL << _PAGE_BIT_DIRTY)
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#define _PAGE_FILE (1UL << _PAGE_BIT_FILE)
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#define _PAGE_PRESENT (1UL << _PAGE_BIT_PRESENT)
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#define _PAGE_GLOBAL (1UL << _PAGE_BIT_GLOBAL)
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#define _PAGE_LARGE (1UL << _PAGE_BIT_LARGE)
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@ -206,14 +203,6 @@ static inline int pte_write(pte_t pte)
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return pte_val(pte) & _PAGE_WRITE;
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}
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/*
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* The following only works if pte_present() is not true.
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*/
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static inline int pte_file(pte_t pte)
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{
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return pte_val(pte) & _PAGE_FILE;
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}
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static inline int pte_special(pte_t pte)
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{
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return 0;
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