var runtime.gcBgMarkWorkerCount

4 uses

	runtime (current package)
		mgc.go#L1694: 	if gcBgMarkWorkerCount >= gomaxprocs {
		mgc.go#L1709: 	for gcBgMarkWorkerCount < gomaxprocs {
		mgc.go#L1725: 		gcBgMarkWorkerCount++
		runtime2.go#L1472: 	gcBgMarkWorkerCount int32