writeback: Fix some comment errors
Signed-off-by: Wanpeng Li <liwp@linux.vnet.ibm.com>
Signed-off-by: Fengguang Wu <fengguang.wu@intel.com>
diff --git a/mm/page-writeback.c b/mm/page-writeback.c
index ec14419..e5363f3 100644
--- a/mm/page-writeback.c
+++ b/mm/page-writeback.c
@@ -946,7 +946,7 @@
* bdi->dirty_ratelimit = balanced_dirty_ratelimit;
*
* However to get a more stable dirty_ratelimit, the below elaborated
- * code makes use of task_ratelimit to filter out sigular points and
+ * code makes use of task_ratelimit to filter out singular points and
* limit the step size.
*
* The below code essentially only uses the relative value of
@@ -969,7 +969,7 @@
* feel and care are stable dirty rate and small position error.
*
* |task_ratelimit - dirty_ratelimit| is used to limit the step size
- * and filter out the sigular points of balanced_dirty_ratelimit. Which
+ * and filter out the singular points of balanced_dirty_ratelimit. Which
* keeps jumping around randomly and can even leap far away at times
* due to the small 200ms estimation period of dirty_rate (we want to
* keep that period small to reduce time lags).