linux-kernel - Re: [RFC/PATCH] RLIMIT_ARG

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Message-ID: <alpine.LFD.1.00.0802290934130.17889@woody.linux-foundation.org>
Date:	Fri, 29 Feb 2008 09:35:17 -0800 (PST)
From:	Linus Torvalds <torvalds@...ux-foundation.org>
To:	Peter Zijlstra <a.p.zijlstra@...llo.nl>
cc:	Michael Kerrisk <michael.kerrisk@...glemail.com>,
	aaw <aaw@...gle.com>, Andrew Morton <akpm@...ux-foundation.org>,
	michael.kerrisk@...il.com, carlos@...esourcery.com,
	Alan Cox <alan@...rguk.ukuu.org.uk>,
	linux-kernel <linux-kernel@...r.kernel.org>, drepper@...hat.com,
	mtk.manpages@...il.com
Subject: Re: [RFC/PATCH] RLIMIT_ARG_MAX



On Fri, 29 Feb 2008, Peter Zijlstra wrote:
> 
> You fail to mention that <23 will still fault the first time it tries to
> grow the stack when you set rlimit_stack to 128k and actually supply
> 128k of env+arg.

So? That's what rlimit_stack has always meant (and not just on Linux 
either, afaik). That's not a bug, it's a feature. If the system has a 
limited stack, it has a limited stack. That's what RLIMIT_STACK means.

		Linus
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