2005-11-02 14:48:36 +11:00
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#ifndef _ASM_POWERPC_SPARSEMEM_H
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#define _ASM_POWERPC_SPARSEMEM_H 1
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2005-12-16 22:43:46 +01:00
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#ifdef __KERNEL__
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2005-06-23 00:08:03 -07:00
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#ifdef CONFIG_SPARSEMEM
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/*
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* SECTION_SIZE_BITS 2^N: how big each section will be
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* MAX_PHYSADDR_BITS 2^N: how much physical address space we have
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* MAX_PHYSMEM_BITS 2^N: how much memory we can have in that space
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*/
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#define SECTION_SIZE_BITS 24
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2006-11-23 00:46:57 +01:00
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2005-11-11 15:02:03 +11:00
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#define MAX_PHYSADDR_BITS 44
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#define MAX_PHYSMEM_BITS 44
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2005-06-23 00:08:03 -07:00
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2008-07-01 11:30:06 +10:00
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#endif /* CONFIG_SPARSEMEM */
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2005-11-07 16:25:48 -08:00
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#ifdef CONFIG_MEMORY_HOTPLUG
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extern void create_section_mapping(unsigned long start, unsigned long end);
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2008-03-28 11:37:21 +11:00
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extern int remove_section_mapping(unsigned long start, unsigned long end);
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2005-12-05 12:06:42 -08:00
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#ifdef CONFIG_NUMA
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extern int hot_add_scn_to_nid(unsigned long scn_addr);
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#else
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static inline int hot_add_scn_to_nid(unsigned long scn_addr)
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{
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return 0;
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}
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#endif /* CONFIG_NUMA */
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2005-11-07 16:25:48 -08:00
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#endif /* CONFIG_MEMORY_HOTPLUG */
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2005-12-16 22:43:46 +01:00
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#endif /* __KERNEL__ */
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2005-11-02 14:48:36 +11:00
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#endif /* _ASM_POWERPC_SPARSEMEM_H */
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