const runtime.gcDrainFractional

4 uses

	runtime (current package)
		mgc.go#L2001: 				gcDrain(&pp.gcw, gcDrainFractional|gcDrainUntilPreempt|gcDrainFlushBgCredit)
		mgcmark.go#L956: 	gcDrainFractional
		mgcmark.go#L997: 	if flags&(gcDrainIdle|gcDrainFractional) != 0 {
		mgcmark.go#L1001: 		} else if flags&gcDrainFractional != 0 {