1 #ifndef __ASM_SH_MMZONE_H 2 #define __ASM_SH_MMZONE_H 3 4 #ifdef __KERNEL__ 5 6 #ifdef CONFIG_NEED_MULTIPLE_NODES 7 #include <linux/numa.h> 8 9 extern struct pglist_data *node_data[]; 10 #define NODE_DATA(nid) (node_data[nid]) 11 12 static inline int pfn_to_nid(unsigned long pfn) 13 { 14 int nid; 15 16 for (nid = 0; nid < MAX_NUMNODES; nid++) 17 if (pfn >= node_start_pfn(nid) && pfn <= node_end_pfn(nid)) 18 break; 19 20 return nid; 21 } 22 23 static inline struct pglist_data *pfn_to_pgdat(unsigned long pfn) 24 { 25 return NODE_DATA(pfn_to_nid(pfn)); 26 } 27 28 /* arch/sh/mm/numa.c */ 29 void __init setup_bootmem_node(int nid, unsigned long start, unsigned long end); 30 #else 31 static inline void 32 setup_bootmem_node(int nid, unsigned long start, unsigned long end) 33 { 34 } 35 #endif /* CONFIG_NEED_MULTIPLE_NODES */ 36 37 /* Platform specific mem init */ 38 void __init plat_mem_setup(void); 39 40 /* arch/sh/kernel/setup.c */ 41 void __init __add_active_range(unsigned int nid, unsigned long start_pfn, 42 unsigned long end_pfn); 43 /* arch/sh/mm/init.c */ 44 void __init allocate_pgdat(unsigned int nid); 45 46 #endif /* __KERNEL__ */ 47 #endif /* __ASM_SH_MMZONE_H */ 48