linux-kernel - Re: [PATCH 2/4] mm: Enable set_page_section() only if CONFIG_SPARSEMEM and !CONFIG_SPARSEMEM

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Message-ID: <1304376614.30823.48.camel@nimitz>
Date:	Mon, 02 May 2011 15:50:14 -0700
From:	Dave Hansen <dave@...ux.vnet.ibm.com>
To:	Daniel Kiper <dkiper@...-space.pl>
Cc:	ian.campbell@...rix.com, akpm@...ux-foundation.org,
	andi.kleen@...el.com, haicheng.li@...ux.intel.com,
	fengguang.wu@...el.com, jeremy@...p.org, konrad.wilk@...cle.com,
	dan.magenheimer@...cle.com, v.tolstov@...fip.ru, pasik@....fi,
	wdauchy@...il.com, rientjes@...gle.com,
	xen-devel@...ts.xensource.com, linux-kernel@...r.kernel.org,
	linux-mm@...ck.org
Subject: Re: [PATCH 2/4] mm: Enable set_page_section() only if
 CONFIG_SPARSEMEM and !CONFIG_SPARSEMEM_VMEMMAP

On Mon, 2011-05-02 at 23:20 +0200, Daniel Kiper wrote:
> set_page_section() is valid only in CONFIG_SPARSEMEM and
> !CONFIG_SPARSEMEM_VMEMMAP context. Move it to proper place
> and amend accordingly functions which are using it.

I guess we've been wasting all that time setting section bits in
page->flags that we'll never use.  Looks sane to me.

Acked-by: Dave Hansen <dave@...ux.vnet.ibm.com>

-- Dave

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