blob: 58d2aab416f8f21f7574acedeefaeffcf43878b8 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
|
#ifndef _ASM_POWERPC_SPARSEMEM_H
#define _ASM_POWERPC_SPARSEMEM_H 1
#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
#define MAX_PHYSADDR_BITS 38
#define MAX_PHYSMEM_BITS 36
#ifdef CONFIG_MEMORY_HOTPLUG
extern void create_section_mapping(unsigned long start, unsigned long end);
#endif /* CONFIG_MEMORY_HOTPLUG */
#endif /* CONFIG_SPARSEMEM */
#endif /* _ASM_POWERPC_SPARSEMEM_H */
|
