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Commit e3c40f37 authored by Daniel Kiper's avatar Daniel Kiper Committed by Linus Torvalds
Browse files

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: default avatarDaniel Kiper <dkiper@net-space.pl>
Cc: Dave Hansen <dave@linux.vnet.ibm.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent bf4e8902

include/linux/mmzone.h

+3 −3
Original line number Diff line number Diff line
@@ -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 {