From: Frank Mehnert <Frank.Mehnert@Sun.COM>
To: linux-kernel@vger.kernel.org
Cc: peterz@infradead.org, suresh.b.siddha@intel.com
Subject: Re: remap_pfn_range() not suitable for physical RAM?
Date: Tue, 10 Mar 2009 09:04:19 +0100 [thread overview]
Message-ID: <200903100904.22753.frank.mehnert@sun.com> (raw)
In-Reply-To: <200903042025.46861.frank.mehnert@sun.com>
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Hi,
sorry for re-posting this message and sorry for addressing you directly.
Perhaps you can help me again or can you give me a pointer for a proper
documentation of the various *remap* and *vm_insert* functions:
On Wednesday 04 March 2009, Frank Mehnert wrote:
> since 2.6.29-rcX it seems to be not allowed anymore to use
> remap_pfn_range() to remap physical RAM to userland. This restriction
> applies only if CONFIG_X86_PAT is enabled. It seems that vm_insert_page()
> does not have this restriction. Am I correct? And what is the reason
> for this restriction?
Kind regards,
Frank
--
Dr.-Ing. Frank Mehnert Sun Microsystems http://www.sun.com/
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next prev parent reply other threads:[~2009-03-10 8:05 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-03-04 19:25 Frank Mehnert
2009-03-10 8:04 ` Frank Mehnert [this message]
2009-03-10 17:33 ` Pallipadi, Venkatesh
2009-03-13 15:00 ` Frank Mehnert
2009-03-13 17:13 ` Pallipadi, Venkatesh
2009-03-14 11:44 ` Frank Mehnert
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