const runtime.spanAllocStack

10 uses

	runtime (current package)
		mheap.go#L943: 	spanAllocStack                              // stack span
		mheap.go#L1186: 	needPhysPageAlign := physPageAlignedStacks && typ == spanAllocStack && pageSize < physPageSize
		mheap.go#L1368: 	case spanAllocStack:
		mheap.go#L1659: 	case spanAllocStack:
		stack.go#L199: 		s = mheap_.allocManual(_StackCacheSize>>_PageShift, spanAllocStack)
		stack.go#L263: 		mheap_.freeManual(s, spanAllocStack)
		stack.go#L408: 			s = mheap_.allocManual(npage, spanAllocStack)
		stack.go#L512: 			mheap_.freeManual(s, spanAllocStack)
		stack.go#L1252: 				mheap_.freeManual(s, spanAllocStack)
		stack.go#L1266: 			mheap_.freeManual(s, spanAllocStack)