From: Linus Torvalds <torvalds@osdl.org>
Date: Wed, 05 Oct 2005 22:48:31 GMT
Subject: Re: clone: I'm only doing a max of 256 requests
Message-ID: <Pine.LNX.4.64.0510051547090.31407@g5.osdl.org>
In-Reply-To: <7vy857iqzh.fsf@assigned-by-dhcp.cox.net>



On Wed, 5 Oct 2005, Junio C Hamano wrote:
> 
> Hmph.  I was reading linux-2.6/fs/exec.c::copy_strings(), but I
> do not see any such size limit (other than exceeding the total
> machine memory size, probably reported by alloc_page() failing)
> imposed there.  Am I looking at the wrong place?

Look for "MAX_ARG_PAGES".

Ie the limit is about 128kB by default (32 pages). Note that that includes 
not just arguments, but environment.

		Linus