1 files changed, 2 insertions, 3 deletions

diff --git a/mm/page-writeback.c b/mm/page-writeback.c
index bbd396ac9546..54f28bd493d3 100644
--- a/mm/page-writeback.c
+++ b/mm/page-writeback.c
@@ -597,7 +597,7 @@ static void balance_dirty_pages(struct address_space *mapping,
             (!laptop_mode && ((global_page_state(NR_FILE_DIRTY)
                                + global_page_state(NR_UNSTABLE_NFS))
                                           > background_thresh)))
-                bdi_start_writeback(bdi, NULL, 0);
+                bdi_start_background_writeback(bdi);
 }
 
 void set_page_dirty_balance(struct page *page, int page_mkwrite)
@@ -705,9 +705,8 @@ void laptop_mode_timer_fn(unsigned long data)
          * We want to write everything out, not just down to the dirty
          * threshold
          */
-
         if (bdi_has_dirty_io(&q->backing_dev_info))
-                bdi_start_writeback(&q->backing_dev_info, NULL, nr_pages);
+                bdi_start_writeback(&q->backing_dev_info, nr_pages);
 }
 
 /*