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

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Message-ID: <Pine.LNX.4.64.0711211211390.2971@schroedinger.engr.sgi.com>
Date:	Wed, 21 Nov 2007 12:12:09 -0800 (PST)
From:	Christoph Lameter <clameter@....com>
To:	Dave Hansen <haveblue@...ibm.com>
cc:	Andrew Morton <akpm@...ux-foundation.org>,
	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, 19 Nov 2007, Dave Hansen wrote:

> Which comes from:
>         
>         config OUT_OF_LINE_PFN_TO_PAGE
>                 def_bool X86_64
>                 depends on DISCONTIGMEM
>         
> and only on x86_64.  Perhaps it can go away with the
> discontig->sparsemem-vmemmap conversion.

The discontig/flatmem removal patch for x86_64 in mm already removes this.

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