2005-11-02 11:48:36 +08:00
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#ifndef _ASM_POWERPC_SPARSEMEM_H
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#define _ASM_POWERPC_SPARSEMEM_H 1
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2005-12-17 05:43:46 +08:00
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#ifdef __KERNEL__
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2005-06-23 15:08:03 +08:00
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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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2005-11-11 12:02:03 +08:00
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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 15:08:03 +08:00
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2005-11-08 08:25:48 +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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2005-12-06 04:06:42 +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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2005-11-08 08:25:48 +08:00
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#endif /* CONFIG_MEMORY_HOTPLUG */
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2005-06-23 15:08:03 +08:00
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#endif /* CONFIG_SPARSEMEM */
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2005-12-17 05:43:46 +08:00
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#endif /* __KERNEL__ */
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2005-11-02 11:48:36 +08:00
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#endif /* _ASM_POWERPC_SPARSEMEM_H */
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