diff --git a/Documentation/networking/ip-sysctl.txt b/Documentation/networking/ip-sysctl.txt
index ec5de02f543f..b121c5db707f 100644
--- a/Documentation/networking/ip-sysctl.txt
+++ b/Documentation/networking/ip-sysctl.txt
@@ -1266,13 +1266,22 @@ sctp_rmem - vector of 3 INTEGERs: min, default, max
 sctp_wmem  - vector of 3 INTEGERs: min, default, max
 	See tcp_wmem for a description.
 
-UNDOCUMENTED:
 
 /proc/sys/net/core/*
-	dev_weight FIXME
+dev_weight - INTEGER
+	The maximum number of packets that kernel can handle on a NAPI
+	interrupt, it's a Per-CPU variable.
+
+	Default: 64
 
 /proc/sys/net/unix/*
-	max_dgram_qlen FIXME
+max_dgram_qlen - INTEGER
+	The maximum length of dgram socket receive queue
+
+	Default: 10
+
+
+UNDOCUMENTED:
 
 /proc/sys/net/irda/*
 	fast_poll_increase FIXME