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 9extern 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 16static 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 27static 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 */ 33void __init setup_bootmem_node(int nid, unsigned long start, unsigned long end); 34#else 35static inline void 36setup_bootmem_node(int nid, unsigned long start, unsigned long end) 37{ 38} 39#endif /* CONFIG_NEED_MULTIPLE_NODES */ 40 41/* Platform specific mem init */ 42void __init plat_mem_setup(void); 43 44/* arch/sh/kernel/setup.c */ 45void __init __add_active_range(unsigned int nid, unsigned long start_pfn, 46 unsigned long end_pfn); 47/* arch/sh/mm/init.c */ 48void __init allocate_pgdat(unsigned int nid); 49 50#endif /* __KERNEL__ */ 51#endif /* __ASM_SH_MMZONE_H */ 52