From: Ryan Cumming <ryan@spitfire.gotdns.org>
To: Chris Friesen <cfriesen@nortelnetworks.com>
Subject: Re: mlock(1)
Date: Fri, 24 Sep 2004 15:48:19 -0700
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Cc: Chris Wright <chrisw@osdl.org>, Jeff Garzik <jgarzik@pobox.com>,
       linux-kernel@vger.kernel.org, Andrew Morton <akpm@osdl.org>
References: <41547C16.4070301@pobox.com> <20040924132247.W1973@build.pdx.osdl.net> <4154867F.7030108@nortelnetworks.com>
In-Reply-To: <4154867F.7030108@nortelnetworks.com>
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On Friday 24 September 2004 13:41, Chris Friesen wrote:
> Chris Wright wrote:
> > 2. Problem is the execve(2) that the mlock(1) program would have to cal=
l.
> > This blows away the mappings which contain the locking info.
>
> Does it?  The man page said it isn't inherited on fork(), but why wouldn't
> it be inherited on exec()?
>
=46rom my mlock(2) manpage:
"...they are guaranteed to stay in RAM until the pages are unlocked by munl=
ock=20
or munlockall, until the pages are unmapped via munmap, or until the proces=
s=20
terminates or starts another program with exec."

=2DRyan

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