From mboxrd@z Thu Jan  1 00:00:00 1970
From: Cyrill Gorcunov <gorcunov@gmail.com>
Subject: Re: [RFC] fs, proc: Introduce the /proc/<pid>/map_files/ directory v2
Date: Thu, 25 Aug 2011 22:13:31 +0400
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Cc: Nathan Lynch <ntl@pobox.com>, Oren Laadan <orenl@cs.columbia.edu>,
	Daniel Lezcano <dlezcano@fr.ibm.com>,
	Tejun Heo <tj@kernel.org>,
	Andrew Morton <akpm@linux-foundation.org>,
	Pavel Emelyanov <xemul@parallels.com>,
	linux-kernel@vger.kernel.org,
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	LINUXFS-ML <linux-fsdevel@vger.kernel.org>,
	containers@lists.osdl.org, Zan Lynx <zlynx@acm.org>,
	Andi Kleen <andi@firstfloor.org>
To: Vasiliy Kulikov <segoon@openwall.com>
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On Thu, Aug 25, 2011 at 09:54:38PM +0400, Vasiliy Kulikov wrote:
...
> > > 
> > 
> > Don't think so, it should point that permission failed
> > rather no such entry. Or this might break some tools?
> 
> I mean the place exactly where I've put it to indicate simple_strtoul(),
> get_task_mm(), or find_exact_vma() error.  EPERM for ptrace_may_access()
> is OK.
> 

Ah, yeah! ENOENT is really would be correct option here, will fix in next
iteration, thanks a huge for spotting it!

	Cyrill