blob: 48ad807a0b8a80ce49788e49935d081585166009 (
plain) (
tree)
|
|
#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
#if defined(CONFIG_PS3_USE_LPAR_ADDR)
#define MAX_PHYSADDR_BITS 47
#define MAX_PHYSMEM_BITS 47
#else
#define MAX_PHYSADDR_BITS 44
#define MAX_PHYSMEM_BITS 44
#endif
#ifdef CONFIG_MEMORY_HOTPLUG
extern void create_section_mapping(unsigned long start, unsigned long end);
#ifdef CONFIG_NUMA
extern int hot_add_scn_to_nid(unsigned long scn_addr);
#else
static 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 */
|
