cache_pq_percolate_down  179 modules/cache/cache_pqueue.c         cache_pq_percolate_down(q, posn);
cache_pq_percolate_down  189 modules/cache/cache_pqueue.c         cache_pq_percolate_down(q, posn);
cache_pq_percolate_down  203 modules/cache/cache_pqueue.c     cache_pq_percolate_down(q, 1);