linux-kernel - Re: [BUG] Linux 2.6.23-rc9 and MAX_ARG

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Message-ID: <alpine.LFD.0.999.0710041707260.23684@woody.linux-foundation.org>
Date:	Thu, 4 Oct 2007 17:12:11 -0700 (PDT)
From:	Linus Torvalds <torvalds@...ux-foundation.org>
To:	Paul Mackerras <paulus@...ba.org>
cc:	Mathieu Chouquet-Stringer <mchouque@...e.fr>,
	Ollie Wild <aaw@...gle.com>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Adrian Bunk <bunk@...sta.de>,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [BUG] Linux 2.6.23-rc9 and MAX_ARG_PAGES



On Fri, 5 Oct 2007, Paul Mackerras wrote:
> Linus Torvalds writes:
> > 
> > Well, since others definitely don't see this, including me, and I can do 
> > things like 62MB exec arrays:
> > 
> > 	[torvalds@...dy linux]$ echo $(find /home/torvalds/) | wc
> > 	      1  883304 63000962
> 
> That wouldn't actually do an exec, assuming you're using bash, since
> echo is a shell builtin in bash.  You'd need to do /bin/echo.

Right you are, silly me. But yes, it works for me even with that (and 
since I downloaded the gcc source tree, it now has six more megs of 
arguments).

I also tested that "ulimit -s" seems to do the right thing for me.

I'm also assuming Mathieu is running x86 (or x86-64): HP-PA has a stack 
that grows upwards, and that has traditionally been exciting.

IA64 also has some strange things for the register backing store.

			Linus
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