valid_section     252 arch/arm64/mm/init.c 	if (!valid_section(__nr_to_section(pfn_to_section_nr(pfn))))
valid_section    1298 include/linux/mmzone.h 	return valid_section(__nr_to_section(nr));
valid_section    1352 include/linux/mmzone.h 	if (!valid_section(ms))
valid_section     501 mm/memory_hotplug.c 	if (WARN_ON_ONCE(!valid_section(ms)))