projects / thirdparty / kernel / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| c438b58e JH |
2 | #ifndef __ASM_METAG_MMZONE_H |
| 3 | #define __ASM_METAG_MMZONE_H | |
| 4 | ||
| 5 | #ifdef CONFIG_NEED_MULTIPLE_NODES | |
| 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/metag/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_NEED_MULTIPLE_NODES */ | |
| 35 | ||
| 36 | #ifdef CONFIG_NUMA | |
| 37 | /* SoC specific mem init */ | |
| 38 | void __init soc_mem_setup(void); | |
| 39 | #else | |
| 40 | static inline void __init soc_mem_setup(void) {}; | |
| 41 | #endif | |
| 42 | ||
| 43 | #endif /* __ASM_METAG_MMZONE_H */ |