Lines Matching defs:overhead
103 * The overhead on a block is at least 4 bytes. When free, this space
108 union overhead {
109 union overhead *ov_next; /* when free */
128 * (FIRST_BUCKET_SIZE << i). The overhead information precedes the data
134 static union overhead *nextf[NBUCKETS];
164 return (((caddr_t)cp - sizeof(union overhead)));
170 union overhead *op;
183 op = (union overhead *)(pagepool_start);
230 union overhead *ov;
236 mem = imalloc(size + align + offset + sizeof(union overhead));
239 x = roundup2((uintptr_t)mem + sizeof(union overhead), align);
243 ov->ov_index = x - (uintptr_t)mem + sizeof(union overhead);
254 union overhead *op;
270 op = (union overhead *)pagepool_start;
279 op->ov_next = (union overhead *)((caddr_t)op + sz);
280 op = (union overhead *)((caddr_t)op + sz);
287 union overhead *op, *opx;
313 union overhead *op;
318 op = (union overhead *)((caddr_t)cp - sizeof (union overhead));
366 union overhead *p;