1 files changed, 12 insertions, 0 deletions

diff --git a/mm/filemap.c b/mm/filemap.c
index 455119cc7f40..89ce6fe5f8be 100644
--- a/mm/filemap.c
+++ b/mm/filemap.c
@@ -124,6 +124,18 @@ void __remove_from_page_cache(struct page *page)
         mapping->nrpages--;
         __dec_zone_page_state(page, NR_FILE_PAGES);
         BUG_ON(page_mapped(page));
+
+        /*
+         * Some filesystems seem to re-dirty the page even after
+         * the VM has canceled the dirty bit (eg ext3 journaling).
+         *
+         * Fix it up by doing a final dirty accounting check after
+         * having removed the page entirely.
+         */
+        if (PageDirty(page) && mapping_cap_account_dirty(mapping)) {
+                dec_zone_page_state(page, NR_FILE_DIRTY);
+                dec_bdi_stat(mapping->backing_dev_info, BDI_RECLAIMABLE);
+        }
 }
 
 void remove_from_page_cache(struct page *page)