gistfile1.txt

(gdb) l *(skiplist_insert+0xc1)
0xffffffff81078e01 is in skiplist_insert (kernel/skip_list.c:128).
123             node->value = value;
124             do {
125                     p = update[k];
126                     node->next[k] = p->next[k];
127                     p->next[k] = node;
128                     node->prev[k] = p;
129                     node->next[k]->prev[k] = node;
130             } while (--k >= 0);
131     }
132