const runtime.scavChunkHiOccPages

4 uses

	runtime (current package)
		mgcscavenge.go#L146: 	scavChunkHiOccPages = uint16(scavChunkHiOccFrac * pallocChunkPages)
		mgcscavenge.go#L1308: 		return sc.inUse < scavChunkHiOccPages && sc.lastInUse < scavChunkHiOccPages
		mgcscavenge.go#L1312: 	return sc.inUse < scavChunkHiOccPages