From: Alejandro Colomar <alx@kernel.org>
To: Matteo Croce <technoboy85@gmail.com>
Cc: linux-man@vger.kernel.org, Matteo Croce <teknoraver@meta.com>
Subject: Re: [PATCH] proc.5: document 'subset' mount option.
Date: Tue, 14 May 2024 21:53:28 +0200 [thread overview]
Message-ID: <mtqhpz2p3b7fmjkxq5hbnuls4mpkcckrnubcrzwc5cydawdjyb@3jhfe5monxpn> (raw)
In-Reply-To: <CAFnufp1XDhzF=+2QqFGg_Ji04nxpb_wh0CYRgee+q00FgcqbDw@mail.gmail.com>
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Hi Matteo,
On Tue, May 14, 2024 at 09:12:43PM GMT, Matteo Croce wrote:
> Il giorno mar 14 mag 2024 alle ore 21:06 Alejandro Colomar
> <alx@kernel.org> ha scritto:
> > Then 'pid' should be in bold (B), not italics (I).
> >
>
> Ok, I will send a v2
>
> > > # mount -t proc proc_pid pid -o subset=pid
> > > # mount |grep -w proc_pid
> > > proc_pid on /tmp/proc/pid type proc (rw,relatime,subset=pid)
> > >
> > > # ll -d pid/{1,$$,cmdline,version}
> > > ls: cannot access 'pid/cmdline': No such file or directory
> > > ls: cannot access 'pid/version': No such file or directory
> > > dr-xr-xr-x. 9 root root 0 May 14 09:43 pid/1
> > > dr-xr-xr-x. 9 root root 0 May 14 09:43 pid/25146
> >
> > Hmmm, makes sense.
> >
> > So, it contains:
> >
> > /proc/<pid>
> > /proc/<tid>
> > /proc/self
> > /proc/thread-self
> >
> > And all others are gone, right?
> >
> > Is anything else included? Or is anything within those dirs gone?
> >
>
> Exactly, self and thread-self are the only non-numeric entries in that
> mounted procfs.
>
> # ls pid |grep -vx '[[:digit:]]*'
> self
> thread-self
> #
Please document that in the commit message.
Have a lovely night!
Alex
--
<https://www.alejandro-colomar.es/>
A client is hiring kernel driver, mm, and/or crypto developers;
contact me if interested.
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prev parent reply other threads:[~2024-05-14 19:53 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-05-14 17:54 [PATCH] proc.5: document 'subset' mount option technoboy85
2024-05-14 18:08 ` Alejandro Colomar
2024-05-14 18:43 ` Matteo Croce
2024-05-14 19:06 ` Alejandro Colomar
2024-05-14 19:12 ` Matteo Croce
2024-05-14 19:53 ` Alejandro Colomar [this message]
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