sec_end_pfn 1218 mm/memory_hotplug.c unsigned long pfn, sec_end_pfn; sec_end_pfn 1223 mm/memory_hotplug.c for (pfn = start_pfn, sec_end_pfn = SECTION_ALIGN_UP(start_pfn + 1); sec_end_pfn 1225 mm/memory_hotplug.c pfn = sec_end_pfn, sec_end_pfn += PAGES_PER_SECTION) { sec_end_pfn 1229 mm/memory_hotplug.c for (; pfn < sec_end_pfn && pfn < end_pfn;