var runtime.gcBgMarkWorkerCount

4 uses

	runtime (current package)
		mgc.go#L1322: 	if gcBgMarkWorkerCount >= gomaxprocs {
		mgc.go#L1337: 	for gcBgMarkWorkerCount < gomaxprocs {
		mgc.go#L1353: 		gcBgMarkWorkerCount++
		runtime2.go#L1262: 	gcBgMarkWorkerCount int32