From owner-freebsd-hackers Sun Oct 5 18:28:57 1997 Return-Path: Received: (from root@localhost) by hub.freebsd.org (8.8.7/8.8.7) id SAA22922 for hackers-outgoing; Sun, 5 Oct 1997 18:28:57 -0700 (PDT) (envelope-from owner-freebsd-hackers) Received: from usr05.primenet.com (tlambert@usr05.primenet.com [206.165.6.205]) by hub.freebsd.org (8.8.7/8.8.7) with ESMTP id SAA22915 for ; Sun, 5 Oct 1997 18:28:55 -0700 (PDT) (envelope-from tlambert@usr05.primenet.com) Received: (from tlambert@localhost) by usr05.primenet.com (8.8.5/8.8.5) id SAA03072; Sun, 5 Oct 1997 18:28:52 -0700 (MST) From: Terry Lambert Message-Id: <199710060128.SAA03072@usr05.primenet.com> Subject: Re: lkms versus hard linked drivers To: julian@whistle.com (Julian Elischer) Date: Mon, 6 Oct 1997 01:28:52 +0000 (GMT) Cc: tlambert@primenet.com, mdean@best.com, freebsd-hackers@FreeBSD.ORG In-Reply-To: <343826D7.102F11D5@whistle.com> from "Julian Elischer" at Oct 5, 97 04:46:31 pm X-Mailer: ELM [version 2.4 PL23] Content-Type: text Sender: owner-freebsd-hackers@FreeBSD.ORG X-Loop: FreeBSD.org Precedence: bulk > > 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.