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Re: Question about mmap()

To: Sugi <Nobukazu.Sugiyama@am.sony.com>
Subject: Re: Question about mmap()
From: "Maciej W. Rozycki" <macro@ds2.pg.gda.pl>
Date: Thu, 6 Sep 2001 13:00:13 +0200 (MET DST)
Cc: "linux-mips@fnet.fr" <linux-mips@fnet.fr>
In-reply-to: <3B9695EE.71F2DDEC@am.sony.com>
Organization: Technical University of Gdansk
Reply-to: "Maciej W. Rozycki" <macro@ds2.pg.gda.pl>
On Wed, 5 Sep 2001, Sugi wrote:

> I added the following line before calling remap_page_range();
> 
>   vma->vma_page_range_prot.pgprot = (vma->vm_page_prot.pgprot &
>                                ~_CACHE_MASK) | _CACHE_UNCACHED;
> 
> And, now it works well.

 Consider using pgprot_noncached() as Ralf has just added it.  You don't
have to worry about future implementation changes if you use the generic
function.

-- 
+  Maciej W. Rozycki, Technical University of Gdansk, Poland   +
+--------------------------------------------------------------+
+        e-mail: macro@ds2.pg.gda.pl, PGP key available        +

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