From: Cyrill Gorcunov <gorcunov@gmail.com>
To: Kees Cook <keescook@chromium.org>
Cc: Alexey Dobriyan <adobriyan@gmail.com>,
linux-kernel@vger.kernel.org,
Andrew Morton <akpm@linux-foundation.org>,
Tejun Heo <tj@kernel.org>, Andrew Vagin <avagin@openvz.org>,
Serge Hallyn <serge.hallyn@canonical.com>,
Pavel Emelyanov <xemul@parallels.com>,
Vasiliy Kulikov <segoon@openwall.com>
Subject: Re: [rfc 1/3] fs, proc: Add start_data, end_data, start_brk members to /proc/$pid/stat
Date: Fri, 2 Dec 2011 23:28:57 +0400 [thread overview]
Message-ID: <20111202192857.GM14515@moon> (raw)
In-Reply-To: <CAGXu5jLSuvFnV5er6A5abg6EMWM6XVZmVaOCRjwTMS+p4oEXAQ@mail.gmail.com>
On Fri, Dec 02, 2011 at 11:23:32AM -0800, Kees Cook wrote:
> >
> > I perhaps miss some history here, you mean just print 0
> > instead of 1, right?
>
> The history is that when "0" is seen for start_code, tools like "ps"
> assumed the process was a kernel thread, so "1" was used as a hack to
> not break userspace reporting. So yeah, since this is a new field,
> it's fine to just do:
>
> + (mm && permitted) ? mm->start_data : 0,
> + (mm && permitted) ? mm->end_data : 0,
> + (mm && permitted) ? mm->start_brk : 0,
>
Yup, thanks a lot Kees, I'll update.
Cyrill
next prev parent reply other threads:[~2011-12-02 19:29 UTC|newest]
Thread overview: 51+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-11-29 19:12 [rfc 0/3] A small bundle in a sake of checkpoint/restore Cyrill Gorcunov
2011-11-29 19:12 ` [rfc 1/3] fs, proc: Add start_data, end_data, start_brk members to /proc/$pid/stat Cyrill Gorcunov
2011-11-29 20:06 ` Kees Cook
2011-12-02 0:24 ` Alexey Dobriyan
2011-12-02 7:28 ` Cyrill Gorcunov
2011-12-02 19:23 ` Kees Cook
2011-12-02 19:28 ` Cyrill Gorcunov [this message]
2011-11-29 20:32 ` Serge Hallyn
2011-11-30 5:04 ` KAMEZAWA Hiroyuki
2011-11-29 19:12 ` [rfc 2/3] fs, proc: Introduce the Children: line in /proc/<pid>/status Cyrill Gorcunov
2011-11-30 5:00 ` KAMEZAWA Hiroyuki
2011-11-30 6:05 ` Cyrill Gorcunov
2011-12-01 9:54 ` Cyrill Gorcunov
2011-12-01 15:43 ` Tejun Heo
2011-12-01 15:53 ` Cyrill Gorcunov
2011-12-01 16:07 ` Tejun Heo
2011-12-01 21:29 ` Andrew Morton
2011-12-01 21:38 ` Cyrill Gorcunov
2011-12-02 0:40 ` KAMEZAWA Hiroyuki
2011-12-02 12:41 ` Pedro Alves
2011-12-02 12:43 ` Pavel Emelyanov
2011-12-02 12:45 ` Cyrill Gorcunov
2011-12-02 13:10 ` Pedro Alves
2011-12-02 13:40 ` Pedro Alves
2011-12-02 12:58 ` Pedro Alves
2011-12-02 13:16 ` Pavel Emelyanov
2011-12-02 13:44 ` Pedro Alves
2011-12-02 13:52 ` Pavel Emelyanov
2011-12-02 14:00 ` Pedro Alves
2011-12-02 14:17 ` Pavel Emelyanov
2011-12-02 14:25 ` Pedro Alves
2011-12-02 14:37 ` Pavel Emelyanov
2011-12-02 14:45 ` Pedro Alves
2011-11-29 19:12 ` [rfc 3/3] prctl: Add PR_SET_MM codes to tune up mm_struct entires Cyrill Gorcunov
2011-11-29 20:19 ` Kees Cook
2011-11-29 20:29 ` Cyrill Gorcunov
2011-11-29 20:37 ` Cyrill Gorcunov
2011-11-29 20:40 ` Kees Cook
2011-11-29 20:47 ` Cyrill Gorcunov
2011-11-30 17:37 ` Cyrill Gorcunov
2011-11-30 18:10 ` Kees Cook
2011-11-30 18:23 ` Cyrill Gorcunov
2011-11-30 21:06 ` Cyrill Gorcunov
2011-12-07 12:27 ` Cyrill Gorcunov
2011-12-07 22:43 ` Andrew Morton
2011-12-08 7:07 ` Cyrill Gorcunov
2011-12-08 7:15 ` Andrew Morton
2011-12-08 7:30 ` Cyrill Gorcunov
2011-11-29 20:37 ` Kees Cook
2011-11-29 20:49 ` Serge Hallyn
2011-11-29 20:55 ` Cyrill Gorcunov
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