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| 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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