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-rw-r--r--mm/page-writeback.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/mm/page-writeback.c b/mm/page-writeback.c
index 45d36f7dc169..650846b61584 100644
--- a/mm/page-writeback.c
+++ b/mm/page-writeback.c
@@ -1301,7 +1301,8 @@ void laptop_mode_timer_fn(unsigned long data)
* threshold
*/
if (bdi_has_dirty_io(&q->backing_dev_info))
- bdi_start_writeback(&q->backing_dev_info, nr_pages);
+ bdi_start_writeback(&q->backing_dev_info, nr_pages,
+ WB_REASON_LAPTOP_TIMER);
}
/*