From a3d1214688d5259a200414def4d38f1e4531febd Mon Sep 17 00:00:00 2001
From: stephen hemminger <stephen@networkplumber.org>
Date: Mon, 25 Aug 2014 15:05:30 -0700
Subject: neigh: document gc_thresh2

Missing documentation for gc_thresh2 sysctl.

Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 Documentation/networking/ip-sysctl.txt | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/Documentation/networking/ip-sysctl.txt b/Documentation/networking/ip-sysctl.txt
index 29a93518bf18..3cce8ea6b139 100644
--- a/Documentation/networking/ip-sysctl.txt
+++ b/Documentation/networking/ip-sysctl.txt
@@ -65,6 +65,12 @@ neigh/default/gc_thresh1 - INTEGER
 	purge entries if there are fewer than this number.
 	Default: 128
 
+neigh/default/gc_thresh2 - INTEGER
+	Threshold when garbage collector becomes more aggressive about
+	purging entries. Entries older than 5 seconds will be cleared
+	when over this number.
+	Default: 512
+
 neigh/default/gc_thresh3 - INTEGER
 	Maximum number of neighbor entries allowed.  Increase this
 	when using large numbers of interfaces and when communicating
-- 
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