From: Manfred Spraul <manfred@colorfullife.com>
To: Timur Tabi <ttabi@interactivesi.com>
Cc: Linux MM mailing list <linux-mm@kvack.org>
Subject: Re: Marking a physical page as uncacheable
Date: Thu, 20 Jul 2000 18:16:56 +0200 [thread overview]
Message-ID: <397725F8.34744F7A@colorfullife.com> (raw)
In-Reply-To: 20000720154702Z131167-4587+7@kanga.kvack.org
Timur Tabi wrote:
>
> ** Reply to message from Mark Mokryn <mark@sangate.com> on Thu, 20 Jul 2000
> 17:36:39 +0300
>
> > Try ioremap_nocache()
>
> That's just a front-end to __ioremap(). I'm trying to make REAL RAM as
> uncacheable, not PCI memory. ioremap() does not work on real RAM, only high
> addresses outside of physical memory.
>
You could use ClearPageReserved() + ioremap(), but ioremap() is limited
to the first 4 GB.
--
Manfred
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next prev parent reply other threads:[~2000-07-20 16:16 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2000-07-19 17:57 Marking a physical page as uncacheable Timur Tabi
2000-07-20 14:36 ` Mark Mokryn
2000-07-20 15:26 ` Timur Tabi
2000-07-20 16:16 ` Manfred Spraul [this message]
2000-07-20 16:16 ` Timur Tabi
2000-07-20 19:47 ` Timur Tabi
2000-07-21 13:51 ` Jeff Garzik
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