projects / linux-2.6-block.git / blame
| Commit | Line | Data |
|---|---|---|
| 1fc8b4ef DG |
1 | #ifndef _ASM_POWERPC_SPARSEMEM_H |
| 2 | #define _ASM_POWERPC_SPARSEMEM_H 1 | |
| 88ced031 | 3 | #ifdef __KERNEL__ |
| 145e6642 AW |
4 | |
| 5 | #ifdef CONFIG_SPARSEMEM | |
| 6 | /* | |
| 7 | * SECTION_SIZE_BITS 2^N: how big each section will be | |
| 8 | * MAX_PHYSADDR_BITS 2^N: how much physical address space we have | |
| 9 | * MAX_PHYSMEM_BITS 2^N: how much memory we can have in that space | |
| 10 | */ | |
| 11 | #define SECTION_SIZE_BITS 24 | |
| 261efc3f | 12 | |
| 048ee099 AK |
13 | #define MAX_PHYSADDR_BITS 46 |
| 14 | #define MAX_PHYSMEM_BITS 46 | |
| 145e6642 | 15 | |
| db7f37de TB |
16 | #endif /* CONFIG_SPARSEMEM */ |
| 17 | ||
| 54b79248 | 18 | #ifdef CONFIG_MEMORY_HOTPLUG |
| a1194097 | 19 | extern int create_section_mapping(unsigned long start, unsigned long end); |
| 52db9b44 | 20 | extern int remove_section_mapping(unsigned long start, unsigned long end); |
| 237a0989 MK |
21 | #ifdef CONFIG_NUMA |
| 22 | extern int hot_add_scn_to_nid(unsigned long scn_addr); | |
| 23 | #else | |
| 24 | static inline int hot_add_scn_to_nid(unsigned long scn_addr) | |
| 25 | { | |
| 26 | return 0; | |
| 27 | } | |
| 28 | #endif /* CONFIG_NUMA */ | |
| 54b79248 MK |
29 | #endif /* CONFIG_MEMORY_HOTPLUG */ |
| 30 | ||
| 88ced031 | 31 | #endif /* __KERNEL__ */ |
| 1fc8b4ef | 32 | #endif /* _ASM_POWERPC_SPARSEMEM_H */ |