linux-kernel - [PATCH 3/4] mm: pfn_to_section_nr()/section_nr_to_pfn() is valid only in CONFIG

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Date:	Mon, 2 May 2011 23:21:00 +0200
From:	Daniel Kiper <dkiper@...-space.pl>
To:	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,
	dave@...ux.vnet.ibm.com, wdauchy@...il.com, rientjes@...gle.com,
	xen-devel@...ts.xensource.com, linux-kernel@...r.kernel.org,
	linux-mm@...ck.org
Subject: [PATCH 3/4] mm: pfn_to_section_nr()/section_nr_to_pfn() is valid only in CONFIG_SPARSEMEM context

pfn_to_section_nr()/section_nr_to_pfn() is valid only
in CONFIG_SPARSEMEM context. Move it to proper place.

Signed-off-by: Daniel Kiper <dkiper@...-space.pl>
---
 include/linux/mmzone.h |    6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h
index e56f835..d715200 100644
--- a/include/linux/mmzone.h
+++ b/include/linux/mmzone.h
@@ -928,9 +928,6 @@ static inline unsigned long early_pfn_to_nid(unsigned long pfn)
 #define pfn_to_nid(pfn)		(0)
 #endif
 
-#define pfn_to_section_nr(pfn) ((pfn) >> PFN_SECTION_SHIFT)
-#define section_nr_to_pfn(sec) ((sec) << PFN_SECTION_SHIFT)
-
 #ifdef CONFIG_SPARSEMEM
 
 /*
@@ -956,6 +953,9 @@ static inline unsigned long early_pfn_to_nid(unsigned long pfn)
 #error Allocator MAX_ORDER exceeds SECTION_SIZE
 #endif
 
+#define pfn_to_section_nr(pfn) ((pfn) >> PFN_SECTION_SHIFT)
+#define section_nr_to_pfn(sec) ((sec) << PFN_SECTION_SHIFT)
+
 struct page;
 struct page_cgroup;
 struct mem_section {
-- 
1.5.6.5
--
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