linux-kernel - Re: [PATCH 2/2] extend clone_flags using parent

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Message-Id: <20080204133810.0077ec0d.akpm@linux-foundation.org>
Date:	Mon, 4 Feb 2008 13:38:10 -0800
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	"Serge E. Hallyn" <serue@...ibm.com>
Cc:	legoater@...e.fr, linux-kernel@...r.kernel.org,
	containers@...ts.osdl.org, xemul@...nvz.org
Subject: Re: [PATCH 2/2] extend clone_flags using parent_tidptr argument

On Mon, 4 Feb 2008 14:24:16 -0600
"Serge E. Hallyn" <serue@...ibm.com> wrote:

> Quoting Cedric Le Goater (legoater@...e.fr):
> > From: Cedric Le Goater <clg@...ibm.com>
> >
> > We have at least 2 patchsets requiring each a new clone flag and there it 
> > is, we've reached the limit, none are left.  
> > This patch uses the CLONE_DETACHED flag (unused) as a marker to extend the 
> 
> Are we pretty sure that there is no legacy software out there which has
> continued to specify CLONE_DETACHED since the kernel ignores it?

Please see -mm's
clone-prepare-to-recycle-clone_detached-and-clone_stopped.patch

That patch has been cut back to only recycle CLONE_STOPPED because there
indeed was software out there which is setting CLONE_DETACHED.

See http://linux.derkeiler.com/Mailing-Lists/Kernel/2007-11/msg04293.html

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