get_num_physpages
if (PAGE_SIZE >= 16384 && get_num_physpages() <= 128) {
mem = get_num_physpages() * PAGE_SIZE;
if (min < 2 || min >= max || max > get_num_physpages())
int mbytes = get_num_physpages() >> (20-PAGE_SHIFT);
if (xen_unpopulated_pages >= get_num_physpages())
current_pages = get_num_physpages() -
info->num_physpages = get_num_physpages();
if (!reason && info->num_physpages != get_num_physpages())
physpages = get_num_physpages();