Messages in this thread |  | | Date | Mon, 11 Sep 2000 23:20:57 +0200 | From | Jamie Lokier <> | Subject | Re: Availability of kdb |
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Rik van Riel wrote: > The main difference between Linux and Netware here is the > fact that Linux has a real userland, which can touch the > pages on its own without going through the kernel. > > This causes "spontaneously" dirtied or accessed pages, > meaning that we really want to use the hardware bits ...
Of course you don't _have_ to do things that way with a real userland. You can take page faults and update your own bits. I think some of the ports actually do this.
But we prefer the hardware, even though in some cases software-driven faults give better guidance to the paging heuristics.
-- Jamie - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org Please read the FAQ at http://www.tux.org/lkml/
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