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Re: about the MTRR (memory type range reg)

To: Gilles Pokam <pokam@cs.tu-berlin.de>
Subject: Re: about the MTRR (memory type range reg)
From: "Stephen C. Tweedie" <sct@redhat.com>
Date: Fri, 17 Sep 1999 16:43:00 +0100 (BST)
Cc: linux-mm@kvack.org, Stephen Tweedie <sct@redhat.com>
In-Reply-To: <Pine.SOL.4.10.9909171005120.2394-100000@elf>
References: <Pine.SOL.4.10.9909171005120.2394-100000@elf>
Sender: owner-linux-mm@kvack.org

Hi,

On Fri, 17 Sep 1999 10:12:26 +0200 (MET DST), Gilles Pokam
<pokam@cs.tu-berlin.de> said:

> I want to change the memory type of a particular memory region. I know
> that the MTRR (Memory Type Range Register) is responsible of that in most
> pentium processor-based systems. My question is to know if there is an API
> in Linux to access this register (if yes, do you have example ) ?

Yes: /proc/mtrr.  Read linux/Documentation/mtrr.txt

--Stephen
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References:
- about the MTRR (memory type range reg)
  - From: Gilles Pokam <pokam@cs.tu-berlin.de>
- about the MTRR (memory type range reg)
  - From: Gilles Pokam <pokam@cs.tu-berlin.de>

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