forked from luck/tmp_suning_uos_patched
[PATCH] mm/msync.c cleanup
This is not problem actually, but sync_page_range() is using for exported function to filesystems. The msync_xxx is more readable at least to me. Signed-off-by: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp> Acked-by: Hugh Dickins <hugh@veritas.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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mm/msync.c
28
mm/msync.c
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@ -22,7 +22,7 @@
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* threads/the swapper from ripping pte's out from under us.
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*/
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static void sync_pte_range(struct vm_area_struct *vma, pmd_t *pmd,
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static void msync_pte_range(struct vm_area_struct *vma, pmd_t *pmd,
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unsigned long addr, unsigned long end)
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{
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pte_t *pte;
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@ -50,7 +50,7 @@ static void sync_pte_range(struct vm_area_struct *vma, pmd_t *pmd,
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pte_unmap(pte - 1);
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}
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static inline void sync_pmd_range(struct vm_area_struct *vma, pud_t *pud,
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static inline void msync_pmd_range(struct vm_area_struct *vma, pud_t *pud,
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unsigned long addr, unsigned long end)
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{
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pmd_t *pmd;
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@ -61,11 +61,11 @@ static inline void sync_pmd_range(struct vm_area_struct *vma, pud_t *pud,
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next = pmd_addr_end(addr, end);
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if (pmd_none_or_clear_bad(pmd))
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continue;
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sync_pte_range(vma, pmd, addr, next);
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msync_pte_range(vma, pmd, addr, next);
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} while (pmd++, addr = next, addr != end);
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}
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static inline void sync_pud_range(struct vm_area_struct *vma, pgd_t *pgd,
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static inline void msync_pud_range(struct vm_area_struct *vma, pgd_t *pgd,
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unsigned long addr, unsigned long end)
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{
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pud_t *pud;
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@ -76,11 +76,11 @@ static inline void sync_pud_range(struct vm_area_struct *vma, pgd_t *pgd,
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next = pud_addr_end(addr, end);
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if (pud_none_or_clear_bad(pud))
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continue;
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sync_pmd_range(vma, pud, addr, next);
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msync_pmd_range(vma, pud, addr, next);
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} while (pud++, addr = next, addr != end);
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}
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static void sync_page_range(struct vm_area_struct *vma,
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static void msync_page_range(struct vm_area_struct *vma,
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unsigned long addr, unsigned long end)
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{
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struct mm_struct *mm = vma->vm_mm;
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@ -101,14 +101,14 @@ static void sync_page_range(struct vm_area_struct *vma,
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next = pgd_addr_end(addr, end);
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if (pgd_none_or_clear_bad(pgd))
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continue;
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sync_pud_range(vma, pgd, addr, next);
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msync_pud_range(vma, pgd, addr, next);
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} while (pgd++, addr = next, addr != end);
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spin_unlock(&mm->page_table_lock);
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}
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#ifdef CONFIG_PREEMPT
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static inline void filemap_sync(struct vm_area_struct *vma,
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unsigned long addr, unsigned long end)
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static inline void filemap_msync(struct vm_area_struct *vma,
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unsigned long addr, unsigned long end)
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{
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const size_t chunk = 64 * 1024; /* bytes */
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unsigned long next;
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@ -117,15 +117,15 @@ static inline void filemap_sync(struct vm_area_struct *vma,
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next = addr + chunk;
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if (next > end || next < addr)
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next = end;
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sync_page_range(vma, addr, next);
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msync_page_range(vma, addr, next);
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cond_resched();
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} while (addr = next, addr != end);
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}
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#else
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static inline void filemap_sync(struct vm_area_struct *vma,
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unsigned long addr, unsigned long end)
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static inline void filemap_msync(struct vm_area_struct *vma,
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unsigned long addr, unsigned long end)
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{
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sync_page_range(vma, addr, end);
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msync_page_range(vma, addr, end);
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}
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#endif
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@ -150,7 +150,7 @@ static int msync_interval(struct vm_area_struct *vma,
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return -EBUSY;
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if (file && (vma->vm_flags & VM_SHARED)) {
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filemap_sync(vma, addr, end);
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filemap_msync(vma, addr, end);
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if (flags & MS_SYNC) {
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struct address_space *mapping = file->f_mapping;
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