From owner-freebsd-fs  Fri Sep  8 23: 9: 2 2000
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Date: Sat, 9 Sep 2000 08:06:17 +0200 (CEST)
From: Marius Bendiksen <mbendiks@eunet.no>
To: Christopher Stein <stein@eecs.harvard.edu>
Cc: freebsd-fs@FreeBSD.ORG
Subject: Re: how mmap buffer writes handled?
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> dirtied by mmap moved onto the dirty queue? IS this done
> synchronously by some kind of software intercept of the
> page table operations or are the buffers moved from the
> clean to dirty queues in the background?

As I recall, a periodic scan of the "modified" bits of the various page
table entries will be made, and the buffers will be dirtied accordingly
as the scan completes.

Marius



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