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Date: Thu, 29 Nov 2007 20:57:09 +0100
From: Kris Kennaway <kris@FreeBSD.org>
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To: Gergely CZUCZY <phoemix@harmless.hu>
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Cc: freebsd-fs@freebsd.org, delphij@FreeBSD.org
Subject: Re: tmpfs size restriction
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Gergely CZUCZY wrote:
> Hello,
> 
> I've got a question about tmpfs(5) in 7. It's a very good
> way to have a /tmp filesystem, it's really neat, but can the
> size of the tmpfs filesystem be restricted somehow?
> 
> It seems to be a bit dangerous, if we take into account
> out-of-control processes writing to a world-writable place,
> such as /tmp.

-o size=<#bytes>.  This appears not to be documented in the manpage (at 
least not in tmpfs(5)).

Kris