Date: Mon, 30 Oct 2006 14:24:57 +0000 (GMT)
From: Hugh Dickins <hugh@veritas.com>
To: Franck Bui-Huu <vagabon.xyz@gmail.com>
cc: Andrew Morton <akpm@osdl.org>,
       Miguel Ojeda Sandonis <maxextreme@gmail.com>,
       linux-kernel@vger.kernel.org
Subject: Re: [PATCH 2.6.19-rc1 update4] drivers: add LCD support
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References: <20061026174858.b7c5eab1.maxextreme@gmail.com>
 <20061026220703.37182521.akpm@osdl.org> <4545C756.30403@innova-card.com>
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On Mon, 30 Oct 2006, Franck Bui-Huu wrote:
> 
> Any idea why LDD3 states:
> 
> 	An interesting limitation of remap_pfn_range is that it gives
> 	access only to reserved pages and physical addresses above the
> 	top of physical memory.

It was true until 2.6.15, when VM_PFNMAP removed that restriction to
PageReserved (or struct-page-less) pages.

Hugh
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