linux-kernel - Re: [PATCH] Cast page_to_pfn to unsigned long in CONFIG

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Message-Id: <1195507562.27759.154.camel@localhost>
Date:	Mon, 19 Nov 2007 13:26:02 -0800
From:	Dave Hansen <haveblue@...ibm.com>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	Mathieu Desnoyers <mathieu.desnoyers@...ymtl.ca>,
	linux-kernel@...r.kernel.org, linux-mm@...ck.org, mbligh@...gle.com
Subject: Re: [PATCH] Cast page_to_pfn to unsigned long in CONFIG_SPARSEMEM

On Mon, 2007-11-19 at 13:19 -0800, Dave Hansen wrote:
> On Mon, 2007-11-19 at 13:08 -0800, Andrew Morton wrote:
> > Heaven knows why though - why does __pfn_to_page() even exist?
> Perhaps it can go away with the
> discontig->sparsemem-vmemmap conversion.

In fact, Christoph Lameter's

                           Subject: 
x86_64: Make sparsemem/vmemmap the
default memory model V2
                              Date: 
        Thu, 15 Nov 2007 19:55:11
-0800 (PST)

does remove it.  

-- Dave

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