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Date:	Mon,  6 Oct 2014 01:08:38 -0400
From:	Richard Guy Briggs <>
Cc:	Richard Guy Briggs <>,,,,,,,
Subject: [PATCH V5 13/13] Documentation: add a section for /proc/<pid>/ns/

 Documentation/filesystems/proc.txt |   16 ++++++++++++++++
 1 files changed, 16 insertions(+), 0 deletions(-)

diff --git a/Documentation/filesystems/proc.txt b/Documentation/filesystems/proc.txt
index ddc531a..c4bfd6f 100644
--- a/Documentation/filesystems/proc.txt
+++ b/Documentation/filesystems/proc.txt
@@ -42,6 +42,7 @@ Table of Contents
   3.6	/proc/<pid>/comm  & /proc/<pid>/task/<tid>/comm
   3.7   /proc/<pid>/task/<tid>/children - Information about task children
   3.8   /proc/<pid>/fdinfo/<fd> - Information about opened file
+  3.9   /proc/<pid>/ns/<ns>{,_snum} - Information about process namespaces
   4	Configuring procfs
   4.1	Mount options
@@ -1744,6 +1745,21 @@ pair provide additional information particular to the objects they represent.
 	optional and may be omitted if no marks created yet.
+3.9	/proc/<pid>/ns/<nstype>{,_snum} - Information about process namespaces
+These files provides information about the namespaces within which the process
+is contained.  The files named only with the namespace type <nstype> contain a
+link that lists the containing namespace' inode number in its proc filesystem.
+The files with suffix _snum contain a link that lists the containing
+namespace' instance serial number, unique per kernel since boot.  The
+namespace types are self-describing.
+The output format of the inode links is:
+	<nstype>:[<inode_number>]
+The output format of the serial number links is:
+	<nstype>_snum:[<serial_number>]
 Configuring procfs

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