documentation: fix unix_dgram_qlen description
Previous description about system parameter in /proc/sys/net/unix/ is
wrong (or missed). Simply add a new description about unix_dgram_qlen
according to latest kernel.
Signed-off-by: Li Xiaodong <lixd@cn.fujitsu.com>
Cc: "David S. Miller" <davem@davemloft.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/Documentation/sysctl/net.txt b/Documentation/sysctl/net.txt
index 995c225..a34d55b 100644
--- a/Documentation/sysctl/net.txt
+++ b/Documentation/sysctl/net.txt
@@ -93,8 +93,9 @@
2. /proc/sys/net/unix - Parameters for Unix domain sockets
-------------------------------------------------------
-There are only two files in this subdirectory. They control the delays for
-deleting and destroying socket descriptors.
+There is only one file in this directory.
+unix_dgram_qlen limits the max number of datagrams queued in Unix domain
+socket's buffer. It will not take effect unless PF_UNIX flag is spicified.
3. /proc/sys/net/ipv4 - IPV4 settings