online_pages
ret = online_pages(start_pfn + nr_vmemmap_pages,
extern int online_pages(unsigned long pfn, unsigned long nr_pages,
online_pages += PAGES_PER_SECTION;
nr_pages = max_pages - online_pages;
unsigned long online_pages = 0, max_pages, end_pfn;
online_pages = group->present_movable_pages;