1 #ifndef __ASM_SH_MMZONE_H 2 #define __ASM_SH_MMZONE_H 3 4 #ifdef __KERNEL__ 5 6 #ifdef CONFIG_NEED_MULTIPLE_NODES 7 extern struct pglist_data *node_data[]; 8 #define NODE_DATA(nid) (node_data[nid]) 9 10 #define node_start_pfn(nid) (NODE_DATA(nid)->node_start_pfn) 11 #define node_end_pfn(nid) (NODE_DATA(nid)->node_start_pfn + \ 12 NODE_DATA(nid)->node_spanned_pages) 13 14 static inline int pfn_to_nid(unsigned long pfn) 15 { 16 int nid; 17 18 for (nid = 0; nid < MAX_NUMNODES; nid++) 19 if (pfn >= node_start_pfn(nid) && pfn <= node_end_pfn(nid)) 20 break; 21 22 return nid; 23 } 24 25 static inline struct pglist_data *pfn_to_pgdat(unsigned long pfn) 26 { 27 return NODE_DATA(pfn_to_nid(pfn)); 28 } 29 30 /* arch/sh/mm/numa.c */ 31 void __init setup_bootmem_node(int nid, unsigned long start, unsigned long end); 32 #else 33 static inline void 34 setup_bootmem_node(int nid, unsigned long start, unsigned long end) 35 { 36 } 37 #endif /* CONFIG_NEED_MULTIPLE_NODES */ 38 39 /* Platform specific mem init */ 40 void __init plat_mem_setup(void); 41 42 /* arch/sh/kernel/setup.c */ 43 void __init setup_bootmem_allocator(unsigned long start_pfn); 44 void __init __add_active_range(unsigned int nid, unsigned long start_pfn, 45 unsigned long end_pfn); 46 47 #endif /* __KERNEL__ */ 48 #endif /* __ASM_SH_MMZONE_H */ 49