type runtime.mSpanState

5 uses

	runtime (current package)
		mheap.go#L384: type mSpanState uint8
		mheap.go#L387: 	mSpanDead   mSpanState = iota
		mheap.go#L410: func (b *mSpanStateBox) set(s mSpanState) {
		mheap.go#L418: func (b *mSpanStateBox) get() mSpanState {
		mheap.go#L419: 	return mSpanState(b.s.Load())