diff --git a/[refs] b/[refs]
index 3a05052b5a9c..23d1996ecf0a 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 4cd9069a0a0e5fb8b007425c937642682ac96c76
+refs/heads/master: 68809c7108b9a75baf2a888b1c19ce1a4680f600
diff --git a/trunk/mm/page-writeback.c b/trunk/mm/page-writeback.c
index 9dec97fee375..93d8d2f7108c 100644
--- a/trunk/mm/page-writeback.c
+++ b/trunk/mm/page-writeback.c
@@ -1568,6 +1568,7 @@ void writeback_set_ratelimit(void)
 	unsigned long background_thresh;
 	unsigned long dirty_thresh;
 	global_dirty_limits(&background_thresh, &dirty_thresh);
+	global_dirty_limit = dirty_thresh;
 	ratelimit_pages = dirty_thresh / (num_online_cpus() * 32);
 	if (ratelimit_pages < 16)
 		ratelimit_pages = 16;