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authorDaniel Kiper <dkiper@net-space.pl>2011-05-25 04:12:33 +0400
committerLinus Torvalds <torvalds@linux-foundation.org>2011-05-25 19:39:29 +0400
commite3c40f379a144f35e53864a2cd970e238071afd7 (patch)
tree6636214fe729d2ee08780a44ab92bed66c0074db /include/linux/mmzone.h
parentbf4e8902ee5080f5d2c810b639e7e778c8082b52 (diff)
downloadlinux-e3c40f379a144f35e53864a2cd970e238071afd7.tar.xz
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@net-space.pl> Cc: Dave Hansen <dave@linux.vnet.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/linux/mmzone.h')
-rw-r--r--include/linux/mmzone.h6
1 files changed, 3 insertions, 3 deletions
diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h
index e56f835274c9..d7152002e18d 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 {