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[PATCH] mm: cleanup rmap

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Thanks to Bill Irwin for pointing this out.

Signed-off-by: Nick Piggin <npiggin@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Nick Piggin 2005-09-03 15:54:48 -07:00 committed by Linus Torvalds
parent 2822c1aa57
commit 4d7670e0f6
1 changed files with 1 additions and 5 deletions
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6
mm/rmap.c
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@ -445,16 +445,12 @@ void page_add_anon_rmap(struct page *page,
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);
}