Re: Reserving a (large) memory block

From: Arnaldo Carvalho de Melo (
Date: Wed Aug 30 2000 - 18:01:17 EST

Em Wed, Aug 30, 2000 at 03:42:15PM -0700, J C Lawrence escreveu:
> Alan,
> I'm working on a device driver for a device that sits on the PC
> memory bus. I need to reserve/protect the memory range that the
> device occupies from the rest of the kernel/system. How do I do
> that? I think I see how I can mark blocks that are never to be
> touched, but in this case the driver (obviously) needs to be able to
> touch them, but the rest of the kernel must be hands-off.
> <<Reply-To set as this address has a flekey mail server I haven't
> managed to evict yet>>

Look at drivers/media/video/zr36120_mem.c, it might help you.

- Arnaldo
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