| Paul Mundt | b241cb0 | 2007-06-06 17:52:19 +0900 | [diff] [blame] | 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 | |
| 45 | #endif /* __KERNEL__ */ |
| 46 | #endif /* __ASM_SH_MMZONE_H */ |