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