Date: Wed, 13 Dec 2000 14:59:17 +0100 (CET) From: Marius Bendiksen <mbendiks@eunet.no> To: Julian Elischer <julian@elischer.org> Cc: Seigo Tanimura <tanimura@r.dl.itc.u-tokyo.ac.jp>, arch@freebsd.org Subject: Re: Even 1GB KVA is not enough, but we have no more space Message-ID: <Pine.BSF.4.05.10012131456100.37018-100000@login-1.eunet.no> In-Reply-To: <3A2F93C6.7967D1DA@elischer.org>
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> THEORETICALLY it should be possible to put the kernel into a differnt > KV space from the processes and give it 4GB. > Practically, we'd have to do a lot to do this, and it may effect > throughout (page tables loading in and out). Isn't KV space just system pages (ie kernel adress space)? If so, then making the system handle a 4GB KV could be done by maintaining a certain portion of the KV space in the user page directory, and switching to the KV page directory on demand, at that point removing user pages. Marius To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-arch" in the body of the message
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