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| -rw-r--r-- | mm/filemap.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/mm/filemap.c b/mm/filemap.c index 188cf5fd3e8d..f4d0cded0e10 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) |