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Date: Tue, 9 Oct 2001 01:46:52 +0200 (CEST)
From: Mikulas Patocka <mikulas@artax.karlin.mff.cuni.cz>
To: Alan Cox <alan@lxorguk.ukuu.org.uk>
cc: torvalds@transmeta.com, Rik van Riel <riel@conectiva.com.br>,
        Alex Bligh - linux-kernel <linux-kernel@alex.org.uk>,
        Krzysztof Rusocki <kszysiu@main.braxis.co.uk>, linux-xfs@oss.sgi.com,
        linux-kernel@vger.kernel.org
Subject: Re: %u-order allocation failed
In-Reply-To: <E15qk40-0002Jf-00@the-village.bc.nu>
Message-ID: <Pine.LNX.3.96.1011009014458.15573A-100000@artax.karlin.mff.cuni.cz>
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On Tue, 9 Oct 2001, Alan Cox wrote:

> > Linus, what do you think: is it OK if fork randomly fails with very small
> > probability or not?
> 
> Your code doesnt change that behaviour. Not one iota. Do the mathematics,
> work out the failure probabilities for page pairs. Now remember that the
> vmalloc one has guard pages too.
> 
> You are trying to solve a non problem with a non solution

I asked Linus, not you :-/

It's up to him, if he wants "stability-based-on-probability" algorithms in
Linux or not.

Mikulas

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