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 GL |
12 | |
13 | #if defined(CONFIG_PS3_USE_LPAR_ADDR) | |
14 | #define MAX_PHYSADDR_BITS 47 | |
15 | #define MAX_PHYSMEM_BITS 47 | |
16 | #else | |
a7df61a0 AB |
17 | #define MAX_PHYSADDR_BITS 44 |
18 | #define MAX_PHYSMEM_BITS 44 | |
261efc3f | 19 | #endif |
145e6642 | 20 | |
54b79248 MK |
21 | #ifdef CONFIG_MEMORY_HOTPLUG |
22 | extern void create_section_mapping(unsigned long start, unsigned long end); | |
237a0989 MK |
23 | #ifdef CONFIG_NUMA |
24 | extern int hot_add_scn_to_nid(unsigned long scn_addr); | |
25 | #else | |
26 | static inline int hot_add_scn_to_nid(unsigned long scn_addr) | |
27 | { | |
28 | return 0; | |
29 | } | |
30 | #endif /* CONFIG_NUMA */ | |
54b79248 MK |
31 | #endif /* CONFIG_MEMORY_HOTPLUG */ |
32 | ||
145e6642 AW |
33 | #endif /* CONFIG_SPARSEMEM */ |
34 | ||
88ced031 | 35 | #endif /* __KERNEL__ */ |
1fc8b4ef | 36 | #endif /* _ASM_POWERPC_SPARSEMEM_H */ |