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Subject: Re: [patch] lockless, scalable get_pid(), for_each_process()
	elimination, 2.5.35-BK
From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: Linus Torvalds <torvalds@transmeta.com>
Cc: Ingo Molnar <mingo@elte.hu>, Rik van Riel <riel@conectiva.com.br>,
       Andries Brouwer <aebr@win.tue.nl>,
       William Lee Irwin III <wli@holomorphy.com>,
       linux-kernel@vger.kernel.org
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On Wed, 2002-09-18 at 18:30, Linus Torvalds wrote:
> 
> On Wed, 18 Sep 2002, Ingo Molnar wrote:
> > 
> > it is a problem still. We can create/destroy 2 billion threads:
> > 
> >    venus:~> ./p3 -s 2000000 -t 10 -r 0 -T --sync-join
> >    Runtime: 19.889182138 seconds
> > 
> > in roughly 5 hours, on bog-standard 2-CPU x86 hardware.
> 
> Again, you're talking about entirely theoretical numbers that have no 
> relevance for real life. 
> 
> Sure, you can do that. But a real life box? Nope.

With a berzerk web script, with a malicious user ?

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