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Date: Sun, 27 Jul 2008 21:50:54 +0200 (CEST)
From: Wojciech Puchar <wojtek@wojtek.tensor.gdynia.pl>
To: Doug Hardie <bc979@lafn.org>
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Cc: freebsd-questions@freebsd.org
Subject: Re: malloc options
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> /etc/malloc.conf.  The default for that file is to not exist.  The man page 
> does not indicate which settings are used in that situation.  After reading 
> through it I get the feeling that the default settings for D and M are 'dM'. 
> Hence, to return to the older malloc aproach to see if the problems go away I 
> would need to set "Dm".  But some of the descriptions seem to indicate that 
> might not be correct.  What are the default settings?
no idea.

anyway - if this makes any non-performance difference to your programs - 
it's something wrong with it by design.

it should not.

if you need to manage memory your way, just use sbrk only and then manage 
it your way - as i do in most of my programs.