#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 */