From: Arnd Bergmann <arnd@arndb.de>
To: Vinay Venkataraghavan <raghavanvinay@yahoo.com>
Cc: linux kernel <linux-kernel@vger.kernel.org>
Subject: Re: Page protection flags in linux on an x86 platform
Date: Thu, 26 Feb 2009 20:54:53 +0100 [thread overview]
Message-ID: <200902262054.53412.arnd@arndb.de> (raw)
In-Reply-To: <356809.23263.qm@web39808.mail.mud.yahoo.com>
On Thursday 26 February 2009, Vinay Venkataraghavan wrote:
> I am trying to port some PPC code to x86 based linux. My question is that I am need to create some page mappings using remap_pfn_range. In the code for the PPC,
> the protection flags being specified are:
>
> __pgprot(_PAGE_NO_CACHE | _PAGE_GUARDED);
To make your code portable, use pgprot_noncached(), which works on all
architectures.
Arnd <><
next prev parent reply other threads:[~2009-02-26 19:55 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-02-26 19:36 Vinay Venkataraghavan
2009-02-26 19:54 ` Arnd Bergmann [this message]
-- strict thread matches above, loose matches on Subject: below --
2009-02-25 21:34 Vinay Venkataraghavan
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