From owner-freebsd-questions  Sun Jan 21 20:32:28 2001
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Date: Sun, 21 Jan 2001 20:32:07 -0800
From: "Crist J. Clark" <cjclark@reflexnet.net>
To: Kris Kennaway <kris@FreeBSD.ORG>
Cc: Cliff Sarginson <cliff@raggedclown.net>,
	Mike Meyer <mwm@mired.org>,
	Gustavo Vieira Goncalves Coelho Rios <gustavo@ifour.com.br>,
	questions@FreeBSD.ORG
Subject: Re: small program eats lot of memory
Message-ID: <20010121203207.F10761@rfx-216-196-73-168.users.reflex>
Reply-To: cjclark@alum.mit.edu
References: <14955.1209.195848.394006@guru.mired.org> <01012121054701.03293@buffy> <20010121152246.X10761@rfx-216-196-73-168.users.reflex> <20010121165041.A76170@citusc17.usc.edu>
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In-Reply-To: <20010121165041.A76170@citusc17.usc.edu>; from kris@FreeBSD.ORG on Sun, Jan 21, 2001 at 04:50:41PM -0800
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On Sun, Jan 21, 2001 at 04:50:41PM -0800, Kris Kennaway wrote:
> On Sun, Jan 21, 2001 at 03:22:46PM -0800, Crist J. Clark wrote:
> 
> > The purpose of shared libraries is to share _disk_ space, not memory
> > space.
> 
> No, I believe he is correct. If you have two shared programs in
> memory, the VM system will only have one copy of the libc code shared
> between them (similarly with any other common libraries).

That's really something if it's true. I don't see any mention of
features like that on rtld(1).
-- 
Crist J. Clark                           cjclark@alum.mit.edu


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