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b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
b241cb0c PM |
2 | #ifndef __ASM_SH_MMZONE_H |
3 | #define __ASM_SH_MMZONE_H | |
4 | ||
5 | #ifdef __KERNEL__ | |
6 | ||
7 | #ifdef CONFIG_NEED_MULTIPLE_NODES | |
6bff1592 PM |
8 | #include <linux/numa.h> |
9 | ||
b241cb0c PM |
10 | extern struct pglist_data *node_data[]; |
11 | #define NODE_DATA(nid) (node_data[nid]) | |
12 | ||
b241cb0c PM |
13 | static 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 | ||
24 | static 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 */ | |
30 | void __init setup_bootmem_node(int nid, unsigned long start, unsigned long end); | |
31 | #else | |
32 | static inline void | |
33 | setup_bootmem_node(int nid, unsigned long start, unsigned long end) | |
34 | { | |
35 | } | |
36 | #endif /* CONFIG_NEED_MULTIPLE_NODES */ | |
37 | ||
38 | /* Platform specific mem init */ | |
39 | void __init plat_mem_setup(void); | |
40 | ||
41 | /* arch/sh/kernel/setup.c */ | |
0146ba78 MD |
42 | void __init __add_active_range(unsigned int nid, unsigned long start_pfn, |
43 | unsigned long end_pfn); | |
4bc277ac PM |
44 | /* arch/sh/mm/init.c */ |
45 | void __init allocate_pgdat(unsigned int nid); | |
b241cb0c PM |
46 | |
47 | #endif /* __KERNEL__ */ | |
48 | #endif /* __ASM_SH_MMZONE_H */ |