2005-11-01 20:48:36 -07:00
|
|
|
#ifndef _ASM_POWERPC_SPARSEMEM_H
|
|
|
|
#define _ASM_POWERPC_SPARSEMEM_H 1
|
2005-12-16 14:43:46 -07:00
|
|
|
#ifdef __KERNEL__
|
2005-06-23 01:08:03 -06:00
|
|
|
|
|
|
|
#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
|
2005-11-10 21:02:03 -07:00
|
|
|
#define MAX_PHYSADDR_BITS 44
|
|
|
|
#define MAX_PHYSMEM_BITS 44
|
2005-06-23 01:08:03 -06:00
|
|
|
|
2005-11-07 17:25:48 -07:00
|
|
|
#ifdef CONFIG_MEMORY_HOTPLUG
|
|
|
|
extern void create_section_mapping(unsigned long start, unsigned long end);
|
2005-12-05 13:06:42 -07:00
|
|
|
#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 */
|
2005-11-07 17:25:48 -07:00
|
|
|
#endif /* CONFIG_MEMORY_HOTPLUG */
|
|
|
|
|
2005-06-23 01:08:03 -06:00
|
|
|
#endif /* CONFIG_SPARSEMEM */
|
|
|
|
|
2005-12-16 14:43:46 -07:00
|
|
|
#endif /* __KERNEL__ */
|
2005-11-01 20:48:36 -07:00
|
|
|
#endif /* _ASM_POWERPC_SPARSEMEM_H */
|