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1#ifndef __ASM_SH_MMZONE_H
2#define __ASM_SH_MMZONE_H
3
4#ifdef __KERNEL__
5
6#ifdef CONFIG_NEED_MULTIPLE_NODES
7#include <linux/numa.h>
8
9extern struct pglist_data *node_data[];
10#define NODE_DATA(nid) (node_data[nid])
11
12static inline int pfn_to_nid(unsigned long pfn)
13{
14 int nid;
15
16 for (nid = 0; nid < MAX_NUMNODES; nid++)
17 if (pfn >= node_start_pfn(nid) && pfn <= node_end_pfn(nid))
18 break;
19
20 return nid;
21}
22
23static inline struct pglist_data *pfn_to_pgdat(unsigned long pfn)
24{
25 return NODE_DATA(pfn_to_nid(pfn));
26}
27
28/* arch/sh/mm/numa.c */
29void __init setup_bootmem_node(int nid, unsigned long start, unsigned long end);
30#else
31static inline void
32setup_bootmem_node(int nid, unsigned long start, unsigned long end)
33{
34}
35#endif /* CONFIG_NEED_MULTIPLE_NODES */
36
37/* Platform specific mem init */
38void __init plat_mem_setup(void);
39
40/* arch/sh/kernel/setup.c */
41void __init __add_active_range(unsigned int nid, unsigned long start_pfn,
42 unsigned long end_pfn);
43/* arch/sh/mm/init.c */
44void __init allocate_pgdat(unsigned int nid);
45
46#endif /* __KERNEL__ */
47#endif /* __ASM_SH_MMZONE_H */
1/* SPDX-License-Identifier: GPL-2.0 */
2#ifndef __ASM_SH_MMZONE_H
3#define __ASM_SH_MMZONE_H
4
5#ifdef __KERNEL__
6
7#ifdef CONFIG_NEED_MULTIPLE_NODES
8#include <linux/numa.h>
9
10extern struct pglist_data *node_data[];
11#define NODE_DATA(nid) (node_data[nid])
12
13static inline int pfn_to_nid(unsigned long pfn)
14{
15 int nid;
16
17 for (nid = 0; nid < MAX_NUMNODES; nid++)
18 if (pfn >= node_start_pfn(nid) && pfn <= node_end_pfn(nid))
19 break;
20
21 return nid;
22}
23
24static inline struct pglist_data *pfn_to_pgdat(unsigned long pfn)
25{
26 return NODE_DATA(pfn_to_nid(pfn));
27}
28
29/* arch/sh/mm/numa.c */
30void __init setup_bootmem_node(int nid, unsigned long start, unsigned long end);
31#else
32static inline void
33setup_bootmem_node(int nid, unsigned long start, unsigned long end)
34{
35}
36#endif /* CONFIG_NEED_MULTIPLE_NODES */
37
38/* Platform specific mem init */
39void __init plat_mem_setup(void);
40
41/* arch/sh/kernel/setup.c */
42void __init __add_active_range(unsigned int nid, unsigned long start_pfn,
43 unsigned long end_pfn);
44/* arch/sh/mm/init.c */
45void __init allocate_pgdat(unsigned int nid);
46
47#endif /* __KERNEL__ */
48#endif /* __ASM_SH_MMZONE_H */