| 1 |
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| 2 | #ifndef _ASM_POWERPC_SPARSEMEM_H
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| 3 | #define _ASM_POWERPC_SPARSEMEM_H 1
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| 4 | #ifdef __KERNEL__
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| 5 |
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| 6 | #ifdef CONFIG_SPARSEMEM
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| 7 | |
| 8 | * SECTION_SIZE_BITS 2^N: how big each section will be
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| 9 | * MAX_PHYSMEM_BITS 2^N: how much memory we can have in that space
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| 10 |
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| 11 | #define SECTION_SIZE_BITS 24
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| 12 |
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| 13 | #endif
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| 14 |
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| 15 | #ifdef CONFIG_MEMORY_HOTPLUG
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| 16 | extern int remove_section_mapping(unsigned long start, unsigned long end);
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| 17 | extern int memory_add_physaddr_to_nid(u64 start);
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| 18 | #define memory_add_physaddr_to_nid memory_add_physaddr_to_nid
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| 19 |
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| 20 | #ifdef CONFIG_NUMA
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| 21 | extern int hot_add_scn_to_nid(unsigned long scn_addr);
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| 22 | #else
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| 23 | static inline int hot_add_scn_to_nid(unsigned long scn_addr)
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| 24 | {
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| 25 | return 0;
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| 26 | }
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| 27 | #endif
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| 28 | #endif
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| 29 | #endif
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| 30 | #endif
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