From: Rob Landley <rob@landley.net>
To: Nix <nix@esperi.org.uk>
Cc: user-mode-linux-devel@lists.sourceforge.net
Subject: Re: [uml-devel] Fun little detail about /dev/shm.
Date: Tue, 29 Nov 2005 06:13:19 -0600 [thread overview]
Message-ID: <200511290613.19925.rob@landley.net> (raw)
In-Reply-To: <87y837ybd5.fsf@amaterasu.srvr.nix>
On Tuesday 29 November 2005 04:52, Nix wrote:
> On Mon, 28 Nov 2005, Rob Landley prattled cheerily:
> > If you're using udev, then /dev is tmpfs. So /dev/shm is trivially
> > tmpfs.
>
> True enough; but some people mount /dev with a size of 0.
That stopped working in 2.6.14. Now size=0 specifies no size limit. (Yeah,
I'm annoyed about it too. I complained.)
Thread starts here:
http://seclists.org/lists/linux-kernel/2005/Nov/0387.html
> (Admittedly if
> they don't want to break POSIX shm they'd better damn well mount *another*
> tmpfs on /dev/shm with a saner size limit...)
In the patch I sent the error message was changed to say which directory it
was upset about, but it should probably also hint that you can set TMPDIR to
override this...
Rob
--
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I do not think it means what you think it means.
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next prev parent reply other threads:[~2005-11-29 12:13 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-11-28 13:44 [uml-devel] Fun little detail about /dev/shm Rob Landley
2005-11-29 10:52 ` Nix
2005-11-29 12:13 ` Rob Landley [this message]
2005-11-29 16:35 ` Blaisorblade
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