From: OGAWA Hirofumi 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 Acked-by: Hugh Dickins Signed-off-by: Andrew Morton --- mm/msync.c | 28 ++++++++++++++-------------- 1 files changed, 14 insertions(+), 14 deletions(-) diff -puN mm/msync.c~mm-msyncc-cleanup mm/msync.c --- devel/mm/msync.c~mm-msyncc-cleanup 2005-09-24 22:48:35.000000000 -0700 +++ devel-akpm/mm/msync.c 2005-09-24 22:48:35.000000000 -0700 @@ -22,7 +22,7 @@ * threads/the swapper from ripping pte's out from under us. */ -static void sync_pte_range(struct vm_area_struct *vma, pmd_t *pmd, +static void msync_pte_range(struct vm_area_struct *vma, pmd_t *pmd, unsigned long addr, unsigned long end) { pte_t *pte; @@ -50,7 +50,7 @@ static void sync_pte_range(struct vm_are pte_unmap(pte - 1); } -static inline void sync_pmd_range(struct vm_area_struct *vma, pud_t *pud, +static inline void msync_pmd_range(struct vm_area_struct *vma, pud_t *pud, unsigned long addr, unsigned long end) { pmd_t *pmd; @@ -61,11 +61,11 @@ static inline void sync_pmd_range(struct next = pmd_addr_end(addr, end); if (pmd_none_or_clear_bad(pmd)) continue; - sync_pte_range(vma, pmd, addr, next); + msync_pte_range(vma, pmd, addr, next); } while (pmd++, addr = next, addr != end); } -static inline void sync_pud_range(struct vm_area_struct *vma, pgd_t *pgd, +static inline void msync_pud_range(struct vm_area_struct *vma, pgd_t *pgd, unsigned long addr, unsigned long end) { pud_t *pud; @@ -76,11 +76,11 @@ static inline void sync_pud_range(struct next = pud_addr_end(addr, end); if (pud_none_or_clear_bad(pud)) continue; - sync_pmd_range(vma, pud, addr, next); + msync_pmd_range(vma, pud, addr, next); } while (pud++, addr = next, addr != end); } -static void sync_page_range(struct vm_area_struct *vma, +static void msync_page_range(struct vm_area_struct *vma, unsigned long addr, unsigned long end) { struct mm_struct *mm = vma->vm_mm; @@ -101,14 +101,14 @@ static void sync_page_range(struct vm_ar next = pgd_addr_end(addr, end); if (pgd_none_or_clear_bad(pgd)) continue; - sync_pud_range(vma, pgd, addr, next); + msync_pud_range(vma, pgd, addr, next); } while (pgd++, addr = next, addr != end); spin_unlock(&mm->page_table_lock); } #ifdef CONFIG_PREEMPT -static inline void filemap_sync(struct vm_area_struct *vma, - unsigned long addr, unsigned long end) +static inline void filemap_msync(struct vm_area_struct *vma, + unsigned long addr, unsigned long end) { const size_t chunk = 64 * 1024; /* bytes */ unsigned long next; @@ -117,15 +117,15 @@ static inline void filemap_sync(struct v next = addr + chunk; if (next > end || next < addr) next = end; - sync_page_range(vma, addr, next); + msync_page_range(vma, addr, next); cond_resched(); } while (addr = next, addr != end); } #else -static inline void filemap_sync(struct vm_area_struct *vma, - unsigned long addr, unsigned long end) +static inline void filemap_msync(struct vm_area_struct *vma, + unsigned long addr, unsigned long end) { - sync_page_range(vma, addr, end); + msync_page_range(vma, addr, end); } #endif @@ -150,7 +150,7 @@ static int msync_interval(struct vm_area return -EBUSY; if (file && (vma->vm_flags & VM_SHARED)) { - filemap_sync(vma, addr, end); + filemap_msync(vma, addr, end); if (flags & MS_SYNC) { struct address_space *mapping = file->f_mapping; _