const runtime.minTriggerRatioNum

2 uses

	runtime (current package)
		mgcpacer.go#L1077: 	minTriggerRatioNum = 45 // ~0.7
		mgcpacer.go#L1122: 	triggerLowerBound := uint64(((goal-c.heapMarked)/triggerRatioDen)*minTriggerRatioNum) + c.heapMarked