latch_tree_root
__lt_erase(struct latch_tree_node *ltn, struct latch_tree_root *ltr, int idx)
__lt_find(void *key, struct latch_tree_root *ltr, int idx,
struct latch_tree_root *root,
struct latch_tree_root *root,
latch_tree_find(void *key, struct latch_tree_root *root,
__lt_insert(struct latch_tree_node *ltn, struct latch_tree_root *ltr, int idx,
static struct latch_tree_root bpf_tree __cacheline_aligned;
struct latch_tree_root root;