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Date:      Mon, 6 Oct 1997 01:28:52 +0000 (GMT)
From:      Terry Lambert <tlambert@primenet.com>
To:        julian@whistle.com (Julian Elischer)
Cc:        tlambert@primenet.com, mdean@best.com, freebsd-hackers@FreeBSD.ORG
Subject:   Re: lkms versus hard linked drivers
Message-ID:  <199710060128.SAA03072@usr05.primenet.com>
In-Reply-To: <343826D7.102F11D5@whistle.com> from "Julian Elischer" at Oct 5, 97 04:46:31 pm

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> > This is actually a bug, since it relates to the ability to mark areas
> > of RAM off limits for reuse, and force the contents of that area out
> > to swap; when that region is swapped back in, it will not be to the
> > area marked off limits.
> 
> Unfortunatly it doesn't help for the 'wired down' pages the kernel
> owns scattered throughout physical memory.

Right.  This is why I whine about kernel-swapping semi-regularly.  I
think ELF section attribtion would be enough to handle this *IFF*
the hints were placed in the source files (via #pragma?) to let the
kernel know which wrired pages could be rewired, and which couldn't.


					Terry Lambert
					terry@lambert.org
---
Any opinions in this posting are my own and not those of my present
or previous employers.



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