From: Nick Piggin <nickpiggin@yahoo.com.au>
Thanks to Bill Irwin for pointing this out.
Signed-off-by: Nick Piggin <npiggin@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
---
mm/rmap.c | 6 +-----
1 files changed, 1 insertion(+), 5 deletions(-)
diff -puN mm/rmap.c~mm-cleanup-rmap mm/rmap.c
--- 25/mm/rmap.c~mm-cleanup-rmap Tue Jul 26 13:29:16 2005
+++ 25-akpm/mm/rmap.c Tue Jul 26 13:29:16 2005
@@ -449,16 +449,12 @@ void page_add_anon_rmap(struct page *pag
if (atomic_inc_and_test(&page->_mapcount)) {
struct anon_vma *anon_vma = vma->anon_vma;
- pgoff_t index;
BUG_ON(!anon_vma);
anon_vma = (void *) anon_vma + PAGE_MAPPING_ANON;
page->mapping = (struct address_space *) anon_vma;
- index = (address - vma->vm_start) >> PAGE_SHIFT;
- index += vma->vm_pgoff;
- index >>= PAGE_CACHE_SHIFT - PAGE_SHIFT;
- page->index = index;
+ page->index = linear_page_index(vma, address);
inc_page_state(nr_mapped);
}
_