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 */

 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
 
 
 
 8static inline int pfn_to_nid(unsigned long pfn)
 9{
10	int nid;
11
12	for (nid = 0; nid < MAX_NUMNODES; nid++)
13		if (pfn >= node_start_pfn(nid) && pfn <= node_end_pfn(nid))
14			break;
15
16	return nid;
17}
18
19static inline struct pglist_data *pfn_to_pgdat(unsigned long pfn)
20{
21	return NODE_DATA(pfn_to_nid(pfn));
22}
23
24/* arch/sh/mm/numa.c */
25void __init setup_bootmem_node(int nid, unsigned long start, unsigned long end);
26#else
27static inline void
28setup_bootmem_node(int nid, unsigned long start, unsigned long end)
29{
30}
31#endif /* CONFIG_NUMA */
32
33/* Platform specific mem init */
34void __init plat_mem_setup(void);
35
36/* arch/sh/kernel/setup.c */
37void __init __add_active_range(unsigned int nid, unsigned long start_pfn,
38			       unsigned long end_pfn);
39/* arch/sh/mm/init.c */
40void __init allocate_pgdat(unsigned int nid);
41
 
42#endif /* __ASM_SH_MMZONE_H */