hole_next_pfn 375 arch/ia64/mm/init.c unsigned long end_address, hole_next_pfn; hole_next_pfn 423 arch/ia64/mm/init.c hole_next_pfn = end_address / sizeof(struct page); hole_next_pfn 424 arch/ia64/mm/init.c return hole_next_pfn - pgdat->node_start_pfn;