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mm: pfn_to_section_nr()/section_nr_to_pfn() is valid only in CONFIG_SPARSEMEM context

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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>
This commit is contained in:
Daniel Kiper 2011-05-24 17:12:33 -07:00 • committed by Linus Torvalds
commit e3c40f379a
1 changed files with 3 additions and 3 deletions
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6
include/linux/mmzone.h
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@ -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 {