const runtime.defaultHeapMinimum

3 uses

	runtime (current package)
		mgcpacer.go#L56: 	defaultHeapMinimum = (goexperiment.HeapMinimum512KiBInt)*(512<<10) +
		mgcpacer.go#L340: 	c.heapMinimum = defaultHeapMinimum
		mgcpacer.go#L1243: 	c.heapMinimum = defaultHeapMinimum * uint64(in) / 100