callout_heap_t
callout_chunk = min / sizeof (callout_heap_t);
callout_heap_t tmp; \
size = sizeof (callout_heap_t) * callout_chunk;
callout_heap_t *heap;
osize = sizeof (callout_heap_t) * max;
size = sizeof (callout_heap_t) * (max + callout_chunk);
ct->ct_heap_max = size / sizeof (callout_heap_t);
callout_heap_t *heap, *hcurrent, *hparent;
callout_heap_t *heap, *hleft, *hright, *hcurrent;
callout_heap_t *heap;
callout_heap_t *heap;
callout_heap_t *ct_heap; /* callout expiration heap */
#define CALLOUT_CHUNK (PAGESIZE / sizeof (callout_heap_t))
#define CALLOUT_MIN_HEAP_SIZE (64 * 1024 * sizeof (callout_heap_t))