for m := uintptr(1); m <= 64; m *= 2 {
		suffix := fmt.Sprintf("Min%d", m)
		tests["AllFree"+suffix] = test{
			min:  m,
			max:  PallocChunkPages,
			want: BitRange{0, PallocChunkPages},
		}
		tests["AllScavenged"+suffix] = test{
			scavenged: []BitRange{{0, PallocChunkPages}},
			min:       m,
			max:       PallocChunkPages,
			want:      BitRange{0, 0},
		}
		tests["NoneFree"+suffix] = test{