bpf_lru_push_free
void bpf_lru_push_free(struct bpf_lru *lru, struct bpf_lru_node *node);
bpf_lru_push_free(&htab->lru, &elem->lru_node);
bpf_lru_push_free(&htab->lru, &l_new->lru_node);