tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1#ifndef __ASM_SH_MMZONE_H
2#define __ASM_SH_MMZONE_H
3
4#ifdef __KERNEL__
5
6#ifdef CONFIG_NEED_MULTIPLE_NODES
7extern struct pglist_data *node_data[];
8#define NODE_DATA(nid) (node_data[nid])
9
10#define node_start_pfn(nid) (NODE_DATA(nid)->node_start_pfn)
11#define node_end_pfn(nid) (NODE_DATA(nid)->node_start_pfn + \
12 NODE_DATA(nid)->node_spanned_pages)
13
14static inline int pfn_to_nid(unsigned long pfn)
15{
16 int nid;
17
18 for (nid = 0; nid < MAX_NUMNODES; nid++)
19 if (pfn >= node_start_pfn(nid) && pfn <= node_end_pfn(nid))
20 break;
21
22 return nid;
23}
24
25static inline struct pglist_data *pfn_to_pgdat(unsigned long pfn)
26{
27 return NODE_DATA(pfn_to_nid(pfn));
28}
29
30/* arch/sh/mm/numa.c */
31void __init setup_bootmem_node(int nid, unsigned long start, unsigned long end);
32#else
33static inline void
34setup_bootmem_node(int nid, unsigned long start, unsigned long end)
35{
36}
37#endif /* CONFIG_NEED_MULTIPLE_NODES */
38
39/* Platform specific mem init */
40void __init plat_mem_setup(void);
41
42/* arch/sh/kernel/setup.c */
43void __init setup_bootmem_allocator(unsigned long start_pfn);
44
45#endif /* __KERNEL__ */
46#endif /* __ASM_SH_MMZONE_H */