242     nch->head = ch->head;  in do_item_alloc_chunk()
347         chunk->head = it;  in do_item_alloc()
390     item **head, **tail;  in do_item_link_fixup()  local
395     head = &heads[it->slabs_clsid];  in do_item_link_fixup()
397     if (it->prev == 0 && *head == 0) *head = it;  in do_item_link_fixup()
414     item **head, **tail;  in do_item_link_q()  local
417     head = &heads[it->slabs_clsid];  in do_item_link_q()
419     assert(it != *head);  in do_item_link_q()
420     assert((*head && *tail) || (*head == 0 && *tail == 0));  in do_item_link_q()
422     it->next = *head;  in do_item_link_q()
424     *head = it;  in do_item_link_q()
454     item **head, **tail;  in do_item_unlink_q()  local
455     head = &heads[it->slabs_clsid];  in do_item_unlink_q()
458     if (*head == it) {  in do_item_unlink_q()
460         *head = it->next;  in do_item_unlink_q()
1752     item **head, **tail;  in do_item_linktail_q()  local
1756     head = &heads[it->slabs_clsid];  in do_item_linktail_q()
1760     assert((*head && *tail) || (*head == 0 && *tail == 0));  in do_item_linktail_q()
1768     if (*head == 0) *head = it;  in do_item_linktail_q()
1773     item **head, **tail;  in do_item_unlinktail_q()  local
1774     head = &heads[it->slabs_clsid];  in do_item_unlinktail_q()
1777     if (*head == it) {  in do_item_unlinktail_q()
1779         *head = it->next;  in do_item_unlinktail_q()
1796     item **head, **tail;  in do_item_crawl_q()  local
1799     head = &heads[it->slabs_clsid];  in do_item_crawl_q()
1804         assert(*head == it);  in do_item_crawl_q()
1806             *head = it->next;  in do_item_crawl_q()
1817         if (*head == it->prev) {  in do_item_crawl_q()
1819             *head = it;  in do_item_crawl_q()