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| author | Nick Piggin | 2005-09-04 00:54:48 +0200 |
|---|---|---|
| committer | Linus Torvalds | 2005-09-05 09:05:43 +0200 |
| commit | 4d7670e0f649f9e6e6ea6c8bb9f52441fa00f92b (patch) | |
| tree | 52009a96e89a4fe2ff390cd34a7832c89d28f588 /mm/rmap.c | |
| parent | [PATCH] mm: micro-optimise rmap (diff) | |
| download | kernel-qcow2-linux-4d7670e0f649f9e6e6ea6c8bb9f52441fa00f92b.tar.gz kernel-qcow2-linux-4d7670e0f649f9e6e6ea6c8bb9f52441fa00f92b.tar.xz kernel-qcow2-linux-4d7670e0f649f9e6e6ea6c8bb9f52441fa00f92b.zip | |
[PATCH] mm: cleanup rmap
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>
Diffstat (limited to 'mm/rmap.c')
| -rw-r--r-- | mm/rmap.c | 6 |
1 files changed, 1 insertions, 5 deletions
diff --git a/mm/rmap.c b/mm/rmap.c index 7e975ca24c78..450f5241b5a5 100644 --- a/mm/rmap.c +++ b/mm/rmap.c @@ -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); } |