diff --git a/[refs] b/[refs]
index cc91e48962af..c18ee82e4aa4 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: ce46cc64d47a8afaf13c300b09a7f9c29f4979b6
+refs/heads/master: cc86802805b5d714a5dc80fe4edecaf1368b09ed
diff --git a/trunk/Documentation/networking/ip-sysctl.txt b/trunk/Documentation/networking/ip-sysctl.txt
index c6d5fee888c4..0462a7105304 100644
--- a/trunk/Documentation/networking/ip-sysctl.txt
+++ b/trunk/Documentation/networking/ip-sysctl.txt
@@ -30,16 +30,24 @@ neigh/default/gc_thresh3 - INTEGER
 	Maximum number of neighbor entries allowed.  Increase this
 	when using large numbers of interfaces and when communicating
 	with large numbers of directly-connected peers.
+	Default: 1024
 
 neigh/default/unres_qlen_bytes - INTEGER
 	The maximum number of bytes which may be used by packets
 	queued for each	unresolved address by other network layers.
 	(added in linux 3.3)
+	Seting negative value is meaningless and will retrun error.
+	Default: 65536 Bytes(64KB)
 
 neigh/default/unres_qlen - INTEGER
 	The maximum number of packets which may be queued for each
 	unresolved address by other network layers.
 	(deprecated in linux 3.3) : use unres_qlen_bytes instead.
+	Prior to linux 3.3, the default value is 3 which may cause
+	secluded packet loss. The current default value is calculated
+	according to default value of unres_qlen_bytes and true size of
+	packet.
+	Default: 31
 
 mtu_expires - INTEGER
 	Time, in seconds, that cached PMTU information is kept.