diff --git a/mm/truncate.c b/mm/truncate.c
index 5cdfbc1..ff78505 100644
--- a/mm/truncate.c
+++ b/mm/truncate.c
@@ -72,6 +72,8 @@
 		struct address_space *mapping = page->mapping;
 		if (mapping && mapping_cap_account_dirty(mapping)) {
 			dec_zone_page_state(page, NR_FILE_DIRTY);
+			dec_bdi_stat(mapping->backing_dev_info,
+					BDI_RECLAIMABLE);
 			if (account_size)
 				task_io_account_cancelled_write(account_size);
 		}