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Date: Tue, 12 Feb 2008 02:09:14 +0100
From: Kris Kennaway <kris@FreeBSD.org>
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To: Aristedes Maniatis <ari@ish.com.au>
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Cc: freebsd-current@freebsd.org
Subject: Re: ZFS and PAE
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Aristedes Maniatis wrote:
> 
> On 11/02/2008, at 9:55 PM, Kris Kennaway wrote:
> 
>> Aristedes Maniatis wrote:
>>> Given the high memory usage requirements of ZFS, I'd like to load up 
>>> servers using it with as much memory as I can. More than 4Gb of 
>>> memory on older 32bit CPUs. Since PAE doesn't play with loadable 
>>> kernel modules, is there a way to compile ZFS into the kernel itself 
>>> (if I tick a box that says I know that licensing issues exist)?
>>
>> PAE does work with kernel modules, and ZFS works fine.
> 
> 
> That is great news. Does that mean that the text [1] "KLD modules cannot 
> be loaded into a PAE enabled kernel, due to the differences in the build 
> framework of a module and the kernel." is wrong or that I've 
> misunderstood what it means?

It is out of date.  As long as you use the 'make buildkernel' method, 
and limit yourself to modules that work with PAE, there is no issue.

Kris