__pgdat 46 include/asm-generic/memory_model.h struct pglist_data *__pgdat = NODE_DATA(page_to_nid(__pg)); \ __pgdat 47 include/asm-generic/memory_model.h (unsigned long)(__pg - __pgdat->node_mem_map) + \ __pgdat 48 include/asm-generic/memory_model.h __pgdat->node_start_pfn; \