From mboxrd@z Thu Jan  1 00:00:00 1970
From: Richard Weinberger <richard-/L3Ra7n9ekc@public.gmane.org>
Subject: Re: [PATCHv4] procfs: show hierarchy of pid namespace
Date: Wed, 08 Oct 2014 12:34:54 +0200
Message-ID: <5435134E.1080802@nod.at>
References: <1412762198-21825-1-git-send-email-chenhanxiao@cn.fujitsu.com>
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To: Chen Hanxiao <chenhanxiao-BthXqXjhjHXQFUHtdCDX3A@public.gmane.org>, containers-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Cc: Richard Weinberger <richard.weinberger-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>, Serge Hallyn <serge.hallyn-GeWIH/nMZzLQT0dZR+AlfA@public.gmane.org>, Oleg Nesterov <oleg-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>, Mateusz Guzik <mguzik-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>, David Howells <dhowells-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>, "Eric W. Biederman" <ebiederm-aS9lmoZGLiVWk0Htik3J/w@public.gmane.org>
List-Id: containers.vger.kernel.org

Am 08.10.2014 11:56, schrieb Chen Hanxiao:
> This patch will show the hierarchy of pid namespace
> by /proc/pidns_hierarchy like:
> 
> [root@localhost ~]#cat /proc/pidns_hierarchy
> /proc/18060/ns/pid /proc/18102/ns/pid /proc/1534/ns/pid
> /proc/18060/ns/pid /proc/18102/ns/pid /proc/1600/ns/pid
> /proc/1550/ns/pid

A proc file that prints paths of other proc files, srsly? ;)
I didn't follow the whole discussion but why is this not
a directory containing symbolic links to other pid files in /proc/<PID>/ns/pid?

Thanks,
//richard