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From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: Zan Lynx <zlynx@acm.org>
Cc: Jan-Benedict Glaw <jbglaw@lug-owl.de>,
	Marc-Jano Knopp <pub_ml_lkml@marc-jano.de>,
	Andrew Morton <akpm@osdl.org>,
	linux-kernel@vger.kernel.org
Subject: Re: [Bug] mlockall() not working properly in 2.6.x
Date: Mon, 19 Dec 2005 19:48:20 +0000	[thread overview]
Message-ID: <1135021701.6051.42.camel@localhost.localdomain> (raw)
In-Reply-To: <1135017515.13318.11.camel@localhost>

On Llu, 2005-12-19 at 11:38 -0700, Zan Lynx wrote:
> How about clearing MCL_FUTURE on fork but allow exec to inherit it?
> That way a parent process could fork, mlockall in the child and exec a
> memlocked child.  A regular fork,exec by a memlocked parent would not
> create a memlocked child.
> 
> Seems less messy than a new flag, while keeping the benefits.

The behaviour of MCL_FUTURE is standards defined so we don't get to
change it. The behaviour of an added flag is up to us.


      reply	other threads:[~2005-12-19 19:48 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-12-18 21:21 [Bug] mlockall() not working properly in 2.6.x Marc-Jano Knopp
2005-12-19 10:21 ` Andrew Morton
2005-12-19 11:42   ` Marc-Jano Knopp
2005-12-19 17:27     ` Jan-Benedict Glaw
2005-12-19 17:47       ` Alan Cox
2005-12-19 18:38         ` Zan Lynx
2005-12-19 19:48           ` Alan Cox [this message]

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