1 #ifndef __ASM_METAG_MMZONE_H 2 #define __ASM_METAG_MMZONE_H 3 4 #ifdef CONFIG_NEED_MULTIPLE_NODES 5 #include <linux/numa.h> 6 7 extern struct pglist_data *node_data[]; 8 #define NODE_DATA(nid) (node_data[nid]) 9 pfn_to_nid(unsigned long pfn)10static inline int pfn_to_nid(unsigned long pfn) 11 { 12 int nid; 13 14 for (nid = 0; nid < MAX_NUMNODES; nid++) 15 if (pfn >= node_start_pfn(nid) && pfn <= node_end_pfn(nid)) 16 break; 17 18 return nid; 19 } 20 pfn_to_pgdat(unsigned long pfn)21static inline struct pglist_data *pfn_to_pgdat(unsigned long pfn) 22 { 23 return NODE_DATA(pfn_to_nid(pfn)); 24 } 25 26 /* arch/metag/mm/numa.c */ 27 void __init setup_bootmem_node(int nid, unsigned long start, unsigned long end); 28 #else 29 static inline void setup_bootmem_node(int nid,unsigned long start,unsigned long end)30setup_bootmem_node(int nid, unsigned long start, unsigned long end) 31 { 32 } 33 #endif /* CONFIG_NEED_MULTIPLE_NODES */ 34 35 #ifdef CONFIG_NUMA 36 /* SoC specific mem init */ 37 void __init soc_mem_setup(void); 38 #else soc_mem_setup(void)39static inline void __init soc_mem_setup(void) {}; 40 #endif 41 42 #endif /* __ASM_METAG_MMZONE_H */ 43