const memoryUsageAttribute … type linuxMemoryThresholdNotifier … var _ … // NewMemoryThresholdNotifier creates a ThresholdNotifier which is designed to respond to the given threshold. // UpdateThreshold must be called once before the threshold will be active. func NewMemoryThresholdNotifier(threshold evictionapi.Threshold, cgroupRoot string, factory NotifierFactory, handler func(string)) (ThresholdNotifier, error) { … } func (m *linuxMemoryThresholdNotifier) UpdateThreshold(summary *statsapi.Summary) error { … } func (m *linuxMemoryThresholdNotifier) Start() { … } func (m *linuxMemoryThresholdNotifier) Description() string { … }