#define NODE_DATA(nid) (node_data[nid])
#define node_localnr(pfn, nid) ((pfn) - NODE_DATA(nid)->node_start_pfn)
-#define node_mem_map(nid) (NODE_DATA(nid)->node_mem_map)
#define node_start_pfn(nid) (NODE_DATA(nid)->node_start_pfn)
#define node_end_pfn(nid) \
({ \
__pgdat->node_start_pfn + __pgdat->node_spanned_pages - 1; \
})
-#define local_mapnr(kvaddr) \
-({ \
- unsigned long __pfn = __pa(kvaddr) >> PAGE_SHIFT; \
- (__pfn - node_start_pfn(pfn_to_nid(__pfn))); \
-})
-
-#define pfn_to_page(pfn) \
-({ \
- unsigned long __pfn = pfn; \
- int __node = pfn_to_nid(__pfn); \
- &node_mem_map(__node)[node_localnr(__pfn,__node)]; \
-})
-
-#define page_to_pfn(pg) \
-({ \
- struct page *__page = pg; \
- struct zone *__zone = page_zone(__page); \
- (unsigned long)(__page - __zone->zone_mem_map) \
- + __zone->zone_start_pfn; \
-})
#define pmd_page(pmd) (pfn_to_page(pmd_val(pmd) >> PAGE_SHIFT))
/*
* pfn_valid should be made as fast as possible, and the current definition