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Date:      Wed, 25 Oct 2023 07:58:41 +0000
From:      Marcin Cieslak <saper@saper.info>
To:        FreeBSD Current <freebsd-current@FreeBSD.org>
Subject:   d_map_single - how should it work?
Message-ID:  <3639798o-57qp-8r14-n250-57520ssps48o@fncre.vasb>
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[-- Attachment #1 --]
Hello,

is there any documentation for cdevsw methods?
I am interested in knowing how d_map_single should
be written.

Most specifically, I want to know if the driver
has a chance to track mmaped allocations on its own
(as far as I can see there unmap(2) does not call
any of the driver's methods).

Marcin
[-- Attachment #2 --]
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