func runtime.preemptone

4 uses

	runtime (current package)
		mgcpacer.go#L723: 		if preemptone(p) {
		proc.go#L5697: 				preemptone(pp)
		proc.go#L5752: 		if preemptone(pp) {
		proc.go#L5769: func preemptone(pp *p) bool {