Function mi_span_queue_push

3rd/mimalloc-2.0.9/src/segment.c:207–216

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static void mi_span_queue_push(mi_span_queue_t* sq, mi_slice_t* slice) {
  // todo: or push to the end?
  mi_assert_internal(slice->prev == NULL && slice->next==NULL);
  slice->prev = NULL; // paranoia
  slice->next = sq->first;
  sq->first = slice;
  if (slice->next != NULL) slice->next->prev = slice;
                     else sq->last = slice;
  slice->xblock_size = 0; // free
}

static mi_span_queue_t* mi_span_queue_for(size_t slice_count, mi_segments_tld_t* tld) {
  size_t bin = mi_slice_bin(slice_count);