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- #ifndef _ASM_POWERPC_SPARSEMEM_H
- #define _ASM_POWERPC_SPARSEMEM_H 1
- #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_HOTPLUG
- extern void create_section_mapping(unsigned long start, unsigned long end);
- #endif /* CONFIG_MEMORY_HOTPLUG */
- #endif /* CONFIG_SPARSEMEM */
- #endif /* _ASM_POWERPC_SPARSEMEM_H */
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