checkPallocSum(b, buf.Summarize(), SummarizeSlow(buf))
			for i := 0; i < b.N; i++ {
				buf.Summarize()
			}
		})
	}
}

// Ensures page allocation works.
func TestPallocBitsAlloc(t *testing.T) {
	tests := map[string]struct {
		before []BitRange
		after  []BitRange
		npages uintptr
		hits   []uint
	}{
		"AllFree1": {
			npages: 1,
			hits:   []uint{0, 1, 2, 3, 4, 5},