Re: filemon

> On Jul 31, 2024, at 2:54 AM, Dag-Erling Smørgrav <des@freebsd.org> wrote:
> 
> Miroslav Lachman <000.fbsd@quip.cz> writes:
>> I'm a bit confused. If I understand it right, you say loader.conf
>> causes less memory fragmentation, but DES said "it still increases low
>> memory fragmentation". So what is true? And is this something to watch
>> out for, or is memory fragmentation not such a big deal?
> 
> I used the wrong term.  The loader loads the kernel and modules into a
> particular region of memory, while modules loaded after boot can go
> anywhere.  Furthermore, modules loaded by the loader cannot be unloaded.

This is not accurate. Indeed the pre-loaded ( loaded by loader ) modules can be unloaded by kldunload(8).

> So loading modules pre-boot does not increase fragmentation, but it uses
> up memory from a much more limited pool than loading them later.
> 
> DES
> -- 
> Dag-Erling Smørgrav - des@FreeBSD.org
>