Function _mi_page_free

3rd/mimalloc-2.0.9/src/page.c:396–416

Free a page with no more free blocks

// Free a page with no more free blocks
void _mi_page_free(mi_page_t* page, mi_page_queue_t* pq, bool force) {
  mi_assert_internal(page != NULL);
  mi_assert_expensive(_mi_page_is_valid(page));
  mi_assert_internal(pq == mi_page_queue_of(page));
  mi_assert_internal(mi_page_all_free(page));
  mi_assert_internal(mi_page_thread_free_flag(page)!=MI_DELAYED_FREEING);

  // no more aligned blocks in here
  mi_page_set_has_aligned(page, false);

  mi_heap_t* heap = mi_page_heap(page);

  // remove from the page list
  // (no need to do _mi_heap_delayed_free first as all blocks are already free)
  mi_segments_tld_t* segments_tld = &heap->tld->segments;
  mi_page_queue_remove(pq, page);

  // and free it
  mi_page_set_heap(page,NULL);
  _mi_segment_page_free(page, force, segments_tld);
}

// Retire parameters
#define MI_MAX_RETIRE_SIZE    (MI_MEDIUM_OBJ_SIZE_MAX)