Subject: Re: Map kernel as sections
To: Chris Gilbert <>
From: John Fremlin <>
List: port-arm
Date: 05/26/2001 23:44:00
Chris Gilbert <> writes:

> On Saturday 26 May 2001  9:50 pm, John Fremlin wrote:
> > Why is the kernel mapped as pages not as a section?
> Because it's not an exact size, in theory we could use sections for
> the firxt x MB's then use pages for the remaining part of the
> kernel, however currently everything is rigged towards using 4K
> pages, to be honest it's not something I've actually considered even
> though I'm playing with the pmap.  In theory we could use different
> sized sections, 1MB, 64K, 4K and 1K as appropiate, but that'd get
> very complex, and pmap is tricky enough as it is.

Somebody should do that sometime ;-)

Every few months it is pointed out that 4k pages are ridiculously
small for PCs, and it would be cool to be able to say: NetBSD/arm