1 files changed, 2 insertions, 1 deletions

diff --git a/mm/truncate.c b/mm/truncate.c
index 89a5c359b6e8..4a38dd1a4ce8 100644
--- a/mm/truncate.c
+++ b/mm/truncate.c
@@ -60,7 +60,8 @@ void cancel_dirty_page(struct page *page, unsigned int account_size)
                 WARN_ON(++warncount < 5);
         }
                 
-        if (TestClearPageDirty(page) && account_size) {
+        if (TestClearPageDirty(page) && account_size &&
+                        mapping_cap_account_dirty(page->mapping)) {
                 dec_zone_page_state(page, NR_FILE_DIRTY);
                 task_io_account_cancelled_write(account_size);
         }