[patch] mm: fix rss counter being incremented when unmapping

[Björn Steinbrink <B.Steinbrink@gmx.de>]

This patch fixes a bug introduced by the "mm counter operations through
macros" patch, which replaced a decrement operation in with an increment
macro in try_to_unmap_one().

Signed-off-by: Björn Steinbrink <B.Steinbrink@gmx.de>

diff -NurpP --minimal linux-2.6.12-rc4/mm/rmap.c linux-2.6.12-rc4-fixed/mm/rmap.c
--- linux-2.6.12-rc4/mm/rmap.c  2005-05-08 17:53:49.000000000 +0200
+++ linux-2.6.12-rc4-fixed/mm/rmap.c    2005-05-09 13:38:03.000000000 +0200
@@ -586,7 +586,7 @@ static int try_to_unmap_one(struct page 
                dec_mm_counter(mm, anon_rss);
        }
 
-       inc_mm_counter(mm, rss);
+       dec_mm_counter(mm, rss);
        page_remove_rmap(page);
        page_cache_release(page);
 
-
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