From 0ba65544ff40c94626556043821333a5c6c8f81f Mon Sep 17 00:00:00 2001 From: Christoph Lameter Date: Wed, 25 Jul 2007 19:46:39 -0700 Subject: [PATCH] vps_mm_rmap Use page_cache_xxx in mm/rmap.c Signed-off-by: Christoph Lameter --- mm/rmap.c | 13 +++++++++---- 1 files changed, 9 insertions(+), 4 deletions(-) diff --git a/mm/rmap.c b/mm/rmap.c index 63c0b5a..6b85906 100644 --- a/mm/rmap.c +++ b/mm/rmap.c @@ -187,9 +187,14 @@ static void page_unlock_anon_vma(struct anon_vma *anon_vma) static inline unsigned long vma_address(struct page *page, struct vm_area_struct *vma) { - pgoff_t pgoff = page->index << (PAGE_CACHE_SHIFT - PAGE_SHIFT); + pgoff_t pgoff; unsigned long address; + if (PageAnon(page)) + pgoff = page->index; + else + pgoff = page->index << mapping_order(page->mapping); + address = vma->vm_start + ((pgoff - vma->vm_pgoff) << PAGE_SHIFT); if (unlikely(address < vma->vm_start || address >= vma->vm_end)) { /* page should be within any vma from prio_tree_next */ @@ -334,7 +339,7 @@ static int page_referenced_file(struct page *page) { unsigned int mapcount; struct address_space *mapping = page->mapping; - pgoff_t pgoff = page->index << (PAGE_CACHE_SHIFT - PAGE_SHIFT); + pgoff_t pgoff = page->index << (page_cache_shift(mapping) - PAGE_SHIFT); struct vm_area_struct *vma; struct prio_tree_iter iter; int referenced = 0; @@ -446,7 +451,7 @@ out: static int page_mkclean_file(struct address_space *mapping, struct page *page) { - pgoff_t pgoff = page->index << (PAGE_CACHE_SHIFT - PAGE_SHIFT); + pgoff_t pgoff = page->index << (page_cache_shift(mapping) - PAGE_SHIFT); struct vm_area_struct *vma; struct prio_tree_iter iter; int ret = 0; @@ -862,7 +867,7 @@ static int try_to_unmap_anon(struct page *page, int migration) static int try_to_unmap_file(struct page *page, int migration) { struct address_space *mapping = page->mapping; - pgoff_t pgoff = page->index << (PAGE_CACHE_SHIFT - PAGE_SHIFT); + pgoff_t pgoff = page->index << (page_cache_shift(mapping) - PAGE_SHIFT); struct vm_area_struct *vma; struct prio_tree_iter iter; int ret = SWAP_AGAIN; -- 1.4.4.4