Commit 4d7670e0 authored by Nicholas Piggin's avatar Nicholas Piggin Committed by Linus Torvalds
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[PATCH] mm: cleanup rmap 



Thanks to Bill Irwin for pointing this out.

Signed-off-by: default avatarNick Piggin <npiggin@suse.de>
Signed-off-by: default avatarAndrew Morton <akpm@osdl.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
parent 2822c1aa

mm/rmap.c

+1 −5
Original line number Diff line number Diff line
@@ -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);

	}