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Date: Mon, 14 May 2018 10:34:39 +0200
From: Alexey Gladkov <>
To: Randy Dunlap <>
Cc: Kees Cook <>, Andy Lutomirski <>,
	Andrew Morton <>,,,,,,
	Greg Kroah-Hartman <>,
	Alexander Viro <>,
	Akinobu Mita <>,
	Oleg Nesterov <>,
	Jeff Layton <>,
	Ingo Molnar <>,
	Alexey Dobriyan <>,
	"Eric W. Biederman" <>,
	Linus Torvalds <>,
	aniel Micay <>,
	Jonathan Corbet <>,,
	Stephen Rothwell <>,,
	"Dmitry V. Levin" <>,
	Djalal Harouni <>
Subject: Re: [PATCH v5 5/7] proc: instantiate only pids that we can ptrace on
 'limit_pids=1' mount option

On Fri, May 11, 2018 at 09:09:04AM -0700, Randy Dunlap wrote:
> On 05/11/2018 02:36 AM, Alexey Gladkov wrote:
> > From: Djalal Harouni <>
> > 
> > If "limit_pids=1" mount option is set then do not instantiate pids that
> > we can not ptrace. "limit_pids=1" means that procfs should only contain
> > pids that the caller can ptrace.
> Where can I find documentation on these mount options (pidonly, limit_pids)?

The documentation is not ready yet. It will be added in the next version
of the patchset.

Rgrds, legion

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