| /* SPDX-License-Identifier: GPL-2.0 */ |
| #ifndef __ASM_METAG_MMZONE_H |
| #define __ASM_METAG_MMZONE_H |
| |
| #ifdef CONFIG_NEED_MULTIPLE_NODES |
| #include <linux/numa.h> |
| |
| extern struct pglist_data *node_data[]; |
| #define NODE_DATA(nid) (node_data[nid]) |
| |
| static inline int pfn_to_nid(unsigned long pfn) |
| { |
| int nid; |
| |
| for (nid = 0; nid < MAX_NUMNODES; nid++) |
| if (pfn >= node_start_pfn(nid) && pfn <= node_end_pfn(nid)) |
| break; |
| |
| return nid; |
| } |
| |
| static inline struct pglist_data *pfn_to_pgdat(unsigned long pfn) |
| { |
| return NODE_DATA(pfn_to_nid(pfn)); |
| } |
| |
| /* arch/metag/mm/numa.c */ |
| void __init setup_bootmem_node(int nid, unsigned long start, unsigned long end); |
| #else |
| static inline void |
| setup_bootmem_node(int nid, unsigned long start, unsigned long end) |
| { |
| } |
| #endif /* CONFIG_NEED_MULTIPLE_NODES */ |
| |
| #ifdef CONFIG_NUMA |
| /* SoC specific mem init */ |
| void __init soc_mem_setup(void); |
| #else |
| static inline void __init soc_mem_setup(void) {}; |
| #endif |
| |
| #endif /* __ASM_METAG_MMZONE_H */ |
