type runtime.mSpanState

5 uses

	runtime (current package)
		mheap.go#L350: type mSpanState uint8
		mheap.go#L353: 	mSpanDead   mSpanState = iota
		mheap.go#L376: func (b *mSpanStateBox) set(s mSpanState) {
		mheap.go#L384: func (b *mSpanStateBox) get() mSpanState {
		mheap.go#L385: 	return mSpanState(b.s.Load())