[PATCH] Update Documentation: unix_dgram_qlen@proc.txt

[Li Xiaodong]

Update of Documentation: proc.txt

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@xxxxxxxxxxxxxx>

---
 Documentation/filesystems/proc.txt |    5 +++--
 1 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/Documentation/filesystems/proc.txt b/Documentation/filesystems/proc.txt
index 830bad7..cb3f459 100644
--- a/Documentation/filesystems/proc.txt
+++ b/Documentation/filesystems/proc.txt
@@ -1501,8 +1501,9 @@ of struct cmsghdr structures with appended data.
 /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.
 
 2.8 /proc/sys/net/ipv4 - IPV4 settings
 --------------------------------------
-- 
1.5.3.5

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