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To: Marcelo Tosatti <marcelo@conectiva.com.br>
Cc: linux-kernel@vger.kernel.org
Subject: Re: [Patch] shmmin behaviour back to 2.2 behaviour
In-Reply-To: <Pine.LNX.4.21.0012271316020.11471-100000@freak.distro.conectiva>
From: Christoph Rohland <cr@sap.com>
In-Reply-To: <Pine.LNX.4.21.0012271316020.11471-100000@freak.distro.conectiva>
Message-ID: <m3ito5agyc.fsf@linux.local>
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Date: 27 Dec 2000 18:54:03 +0100
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Marcelo Tosatti <marcelo@conectiva.com.br> writes:

> On 27 Dec 2000, Christoph Rohland wrote:
> > The following patchlet bring the handling of shmget with size zero
> > back to the 2.2 behaviour. There seem to be programs out, which
> > (erroneously) rely on this.
> 
> Just curiosity: do you know if any specification (POSIX?) defines this
> behaviour? 

I don't think so. IMNSHO it is not legal to call shmget with size <
SHMMIN. But there are programs which do that successfully on Linux
2.2. And I learnt not to break them without reason.

Greetings
                Christoph

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