From: Nicholas Miell <nmiell@gmail.com>
To: Tejun Heo <tj@kernel.org>
Cc: Cyrill Gorcunov <gorcunov@openvz.org>,
containers@lists.osdl.org, linux-kernel@vger.kernel.org,
linux-fsdevel@vger.kernel.org, Nathan Lynch <ntl@pobox.com>,
Oren Laadan <orenl@cs.columbia.edu>,
Daniel Lezcano <dlezcano@fr.ibm.com>,
Glauber Costa <glommer@parallels.com>,
James Bottomley <jbottomley@parallels.com>,
Vasiliy Kulikov <segoon@openwall.com>,
"Kirill A. Shutemov" <kirill@shutemov.name>,
Alexey Dobriyan <adobriyan@gmail.com>,
Al Viro <viro@ZenIV.linux.org.uk>,
Andrew Morton <akpm@linux-foundation.org>,
Pavel Emelyanov <xemul@parallels.com>
Subject: Re: [patch 2/2] fs, proc: Introduce the /proc/<pid>/map_files/ directory v6
Date: Thu, 01 Sep 2011 19:04:42 -0700 [thread overview]
Message-ID: <4E6039BA.1010805@gmail.com> (raw)
In-Reply-To: <20110902015807.GG2752@htj.dyndns.org>
On 09/01/2011 06:58 PM, Tejun Heo wrote:
> On Thu, Sep 01, 2011 at 06:54:32PM -0700, Nicholas Miell wrote:
>> This doesn't seem to fully export all the information passed to mmap(2)
>> -- it encompasses the addr, size, fd and (assuming the generated
>> symlink's permissions are accurate) prot parameters, but does nothing to
>> export the flags or offset parameters.
>
> It looks like,
>
> /proc/*/fd : fdinfo ~= map_files : maps
>
So are the filenames in /proc/$PID/map_files/ guaranteed to be identical
to the first field (first two fields? the part before the first space)
in /proc/$PID/maps?
When I open a file in /proc/$PID/map_files/, is offset 0 the start of
the file on disk or is it the first byte of the mapping?
next prev parent reply other threads:[~2011-09-02 2:04 UTC|newest]
Thread overview: 54+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-08-31 7:58 [patch 0/2] Introduce /proc/pid/map_files v6 Cyrill Gorcunov
2011-08-31 7:58 ` [patch 1/2] fs, proc: Make proc_get_link to use dentry instead of inode Cyrill Gorcunov
2011-08-31 7:58 ` [patch 2/2] fs, proc: Introduce the /proc/<pid>/map_files/ directory v6 Cyrill Gorcunov
2011-08-31 9:06 ` Vasiliy Kulikov
2011-08-31 10:12 ` Cyrill Gorcunov
2011-08-31 11:26 ` Cyrill Gorcunov
2011-08-31 14:04 ` Kirill A. Shutemov
2011-08-31 14:09 ` Cyrill Gorcunov
2011-08-31 14:26 ` Cyrill Gorcunov
2011-08-31 22:10 ` Andrew Morton
2011-09-01 3:07 ` Kyle Moffett
2011-09-01 7:58 ` Pavel Emelyanov
2011-09-01 11:50 ` Tejun Heo
2011-09-01 12:13 ` Pavel Emelyanov
2011-09-01 17:13 ` Tejun Heo
2011-09-02 19:15 ` Matt Helsley
2011-09-02 0:09 ` Matt Helsley
2011-09-01 8:05 ` Cyrill Gorcunov
2011-09-02 16:37 ` Vasiliy Kulikov
2011-09-05 18:53 ` Vasiliy Kulikov
2011-09-05 19:20 ` Cyrill Gorcunov
2011-09-05 19:49 ` Vasiliy Kulikov
2011-09-05 20:36 ` Cyrill Gorcunov
2011-09-06 10:15 ` Vasiliy Kulikov
2011-09-06 16:51 ` Tejun Heo
2011-09-06 17:29 ` Vasiliy Kulikov
2011-09-06 17:33 ` Tejun Heo
2011-09-06 18:15 ` Cyrill Gorcunov
[not found] ` <20110906173341.GM18425-9pTldWuhBndy/B6EtB590w@public.gmane.org>
2011-09-07 11:23 ` Vasiliy Kulikov
2011-09-07 21:53 ` Cyrill Gorcunov
2011-09-07 22:13 ` Andrew Morton
2011-09-07 22:42 ` Cyrill Gorcunov
2011-09-07 22:53 ` Andrew Morton
2011-09-08 5:48 ` Cyrill Gorcunov
2011-09-08 5:50 ` Cyrill Gorcunov
2011-09-08 6:04 ` Cyrill Gorcunov
2011-09-08 23:52 ` Andrew Morton
2011-09-09 0:24 ` Pavel Emelyanov
2011-09-09 5:48 ` Cyrill Gorcunov
2011-09-09 6:00 ` Andrew Morton
2011-09-09 6:22 ` Cyrill Gorcunov
2011-09-10 13:21 ` [kernel-hardening] " Vasiliy Kulikov
2011-09-10 13:49 ` Cyrill Gorcunov
2011-09-01 10:46 ` Cyrill Gorcunov
2011-09-01 22:49 ` Andrew Morton
2011-09-01 23:04 ` Tejun Heo
2011-09-02 5:54 ` Cyrill Gorcunov
2011-09-02 5:53 ` Cyrill Gorcunov
2011-08-31 22:50 ` Andrew Morton
2011-09-02 1:54 ` Nicholas Miell
2011-09-02 1:58 ` Tejun Heo
2011-09-02 2:04 ` Nicholas Miell [this message]
2011-09-02 2:29 ` Tejun Heo
2011-09-02 8:07 ` Kirill A. Shutemov
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=4E6039BA.1010805@gmail.com \
--to=nmiell@gmail.com \
--cc=adobriyan@gmail.com \
--cc=akpm@linux-foundation.org \
--cc=containers@lists.osdl.org \
--cc=dlezcano@fr.ibm.com \
--cc=glommer@parallels.com \
--cc=gorcunov@openvz.org \
--cc=jbottomley@parallels.com \
--cc=kirill@shutemov.name \
--cc=linux-fsdevel@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=ntl@pobox.com \
--cc=orenl@cs.columbia.edu \
--cc=segoon@openwall.com \
--cc=tj@kernel.org \
--cc=viro@ZenIV.linux.org.uk \
--cc=xemul@parallels.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).