idx_lp = idx_heap->arr[0];
sum = idx_lp->free + idx_lp->dirty;
/*
- * Since we reserve trice as more space for the index than it
+ * Since we reserve thrice as much space for the index than it
* actually takes, it does not make sense to pick indexing LEBs
* with less than, say, half LEB of dirty space. May be half is
* not the optimal boundary - this should be tested and