tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1#ifndef _ASM_POWERPC_SPARSEMEM_H
2#define _ASM_POWERPC_SPARSEMEM_H 1
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 44
12#define MAX_PHYSMEM_BITS 44
13
14#ifdef CONFIG_MEMORY_HOTPLUG
15extern void create_section_mapping(unsigned long start, unsigned long end);
16#endif /* CONFIG_MEMORY_HOTPLUG */
17
18#endif /* CONFIG_SPARSEMEM */
19
20#endif /* _ASM_POWERPC_SPARSEMEM_H */