#ifndef _ASM_POWERPC_SPARSEMEM_H#define _ASM_POWERPC_SPARSEMEM_H 1#ifdef __KERNEL__ #ifdef CONFIG_SPARSEMEM/* * SECTION_SIZE_BITS		2^N: how big each section will be * MAX_PHYSADDR_BITS		2^N: how much physical address space we have * MAX_PHYSMEM_BITS		2^N: how much memory we can have in that space */#define SECTION_SIZE_BITS       24#define MAX_PHYSADDR_BITS       44#define MAX_PHYSMEM_BITS        44 #ifdef CONFIG_MEMORY_HOTPLUGextern void create_section_mapping(unsigned long start, unsigned long end);#ifdef CONFIG_NUMAextern int hot_add_scn_to_nid(unsigned long scn_addr);#elsestatic inline int hot_add_scn_to_nid(unsigned long scn_addr){	return 0;}#endif /* CONFIG_NUMA */#endif /* CONFIG_MEMORY_HOTPLUG */ #endif /* CONFIG_SPARSEMEM */ #endif /* __KERNEL__ */#endif /* _ASM_POWERPC_SPARSEMEM_H */