Lines Matching defs:head
202 superblock *&head = _superblocks[fullness][sizeclass];
203 sb->insertBefore(head);
204 head = sb;
205 assert(head->isValid());
218 superblock *head = NULL;
222 head = reuse(sizeclass);
223 if (head) {
227 head->getNumBlocks() - head->getNumAvailable(),
228 head->getNumBlocks());
230 return head;
245 head = _superblocks[i][sizeclass];
246 if (head)
252 if (!head)
257 assert(head->getNumAvailable() * EMPTY_FRACTION >= head->getNumBlocks());
259 removeSuperblock(head, sizeclass);
261 assert(head->isValid());
262 assert(head->getPrev() == NULL);
263 assert(head->getNext() == NULL);
264 return head;
368 superblock *&head = _superblocks[newFullness][sizeclass];
369 if (sb != head) {
371 sb->insertBefore(head);
372 head = sb;