References: runtime.spanAllocWorkBuf

const runtime.spanAllocWorkBuf

5 uses

	runtime (current package)
		mgcwork.go#L436: 				s = mheap_.allocManual(workbufAlloc/pageSize, spanAllocWorkBuf)
		mgcwork.go#L541: 			mheap_.freeManual(span, spanAllocWorkBuf)
		mheap.go#L992: 	spanAllocWorkBuf                      // work buf span
		mheap.go#L1421: 	case spanAllocWorkBuf:
		mheap.go#L1741: 	case spanAllocWorkBuf:

The pages are generated with Golds v0.7.6. (GOOS=linux GOARCH=amd64)