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Re: mmap problem another :)

To: Dan Malek <>
Subject: Re: mmap problem another :)
From: Pete Popov <>
Date: Wed, 08 Dec 2004 10:20:38 -0800
Cc: Dmitriy Tochansky <>,
In-reply-to: <>
Original-recipient: rfc822;
References: <> <>
User-agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.7.3) Gecko/20040913
Dan Malek wrote:

On Dec 8, 2004, at 11:40 AM, Dmitriy Tochansky wrote:

  ret = remap_page_range_high (start, offset, size, vma->vm_page_prot);

Hmmm....this is in 2.4?  Did you apply all of the 36-bit IO
patch as Pete Popov has mentioned in past e-mail messages?

The 36 bit patch is integrated in 2.4, and now in 2.6. The above code looks like 2.4.


Did you make sure you enabled CONFIG_64BIT_PHYS_ADDR?

I know this does work.  In fact, you should just use
io_remap_page_range().  If that doesn't work, something
is wrong with the kernel configuration.

    -- Dan

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