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xen-devel
[Xen-devel] [PATCH 3/4] mm: pfn_to_section_nr()/section_nr_to_pfn() is v
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ian.campbell@xxxxxxxxxx, akpm@xxxxxxxxxxxxxxxxxxxx, andi.kleen@xxxxxxxxx, haicheng.li@xxxxxxxxxxxxxxx, fengguang.wu@xxxxxxxxx, jeremy@xxxxxxxx, konrad.wilk@xxxxxxxxxx, dan.magenheimer@xxxxxxxxxx, v.tolstov@xxxxxxxxx, pasik@xxxxxx, dave@xxxxxxxxxxxxxxxxxx, wdauchy@xxxxxxxxx, rientjes@xxxxxxxxxx, xen-devel@xxxxxxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, linux-mm@xxxxxxxxx |
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Subject: |
[Xen-devel] [PATCH 3/4] mm: pfn_to_section_nr()/section_nr_to_pfn() is valid only in CONFIG_SPARSEMEM context |
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From: |
Daniel Kiper <dkiper@xxxxxxxxxxxx> |
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Date: |
Mon, 2 May 2011 23:21:00 +0200 |
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Mon, 02 May 2011 14:22:37 -0700 |
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Mutt/1.3.28i |
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@xxxxxxxxxxxx>
---
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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