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Date: Mon, 1 Dec 2014 14:39:13 -0800
From: Andrew Morton <akpm@linux-foundation.org>
To: Oleg Nesterov <oleg@redhat.com>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>,
        Aaron Tomlin <atomlin@redhat.com>,
        Pavel Emelyanov <xemul@parallels.com>,
        Serge Hallyn <serge.hallyn@ubuntu.com>,
        Sterling Alexander <stalexan@redhat.com>, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2 2/2] exit: pidns: fix/update the comments in
 zap_pid_ns_processes()
Message-Id: <20141201143913.8780d386f9ad3ef87aeadd17@linux-foundation.org>
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	<20141126235437.GA386@redhat.com>
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On Thu, 27 Nov 2014 00:54:37 +0100 Oleg Nesterov <oleg@redhat.com> wrote:

> The comments in zap_pid_ns_processes() are not clear, we need to
> explain how this code actually works.

Could we please get some documentation for PIDNS_HASH_ADDING?  What it
does, what is the protocol for handling it, etc?  I was trying to
review your [1/2] but this little mystery has me somewhat stumped.