[PATCH] ppc64: Convert NUMA to sparsemem (3)
[deliverable/linux.git] / include / asm-powerpc / sparsemem.h
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1#ifndef _ASM_POWERPC_SPARSEMEM_H
2#define _ASM_POWERPC_SPARSEMEM_H 1
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3
4#ifdef CONFIG_SPARSEMEM
5/*
6 * SECTION_SIZE_BITS 2^N: how big each section will be
7 * MAX_PHYSADDR_BITS 2^N: how much physical address space we have
8 * MAX_PHYSMEM_BITS 2^N: how much memory we can have in that space
9 */
10#define SECTION_SIZE_BITS 24
11#define MAX_PHYSADDR_BITS 38
12#define MAX_PHYSMEM_BITS 36
13
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14#ifdef CONFIG_MEMORY_HOTPLUG
15extern void create_section_mapping(unsigned long start, unsigned long end);
16#endif /* CONFIG_MEMORY_HOTPLUG */
17
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18#endif /* CONFIG_SPARSEMEM */
19
1fc8b4ef 20#endif /* _ASM_POWERPC_SPARSEMEM_H */
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