提交 e3c40f37 编写于 作者: D Daniel Kiper 提交者: Linus Torvalds

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: NDaniel Kiper <dkiper@net-space.pl>
Cc: Dave Hansen <dave@linux.vnet.ibm.com>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
上级 bf4e8902
......@@ -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 {
......
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