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 #define node_start_pfn(nid) (NODE_DATA(nid)->node_start_pfn) 13 #define node_end_pfn(nid) (NODE_DATA(nid)->node_start_pfn + \ 14 NODE_DATA(nid)->node_spanned_pages) 15 16 static inline int pfn_to_nid(unsigned long pfn) 17 { 18 int nid; 19 20 for (nid = 0; nid < MAX_NUMNODES; nid++) 21 if (pfn >= node_start_pfn(nid) && pfn <= node_end_pfn(nid)) 22 break; 23 24 return nid; 25 } 26 27 static inline struct pglist_data *pfn_to_pgdat(unsigned long pfn) 28 { 29 return NODE_DATA(pfn_to_nid(pfn)); 30 } 31 32 /* arch/sh/mm/numa.c */ 33 void __init setup_bootmem_node(int nid, unsigned long start, unsigned long end); 34 #else 35 static inline void 36 setup_bootmem_node(int nid, unsigned long start, unsigned long end) 37 { 38 } 39 #endif /* CONFIG_NEED_MULTIPLE_NODES */ 40 41 /* Platform specific mem init */ 42 void __init plat_mem_setup(void); 43 44 /* arch/sh/kernel/setup.c */ 45 void __init setup_bootmem_allocator(unsigned long start_pfn); 46 void __init __add_active_range(unsigned int nid, unsigned long start_pfn, 47 unsigned long end_pfn); 48 49 #endif /* __KERNEL__ */ 50 #endif /* __ASM_SH_MMZONE_H */ 51