Function _mi_page_segment

3rd/mimalloc-2.0.9/include/mimalloc-internal.h:482–486

Segment belonging to a page

// Segment belonging to a page
static inline mi_segment_t* _mi_page_segment(const mi_page_t* page) {
  mi_segment_t* segment = _mi_ptr_segment(page); 
  mi_assert_internal(segment == NULL || ((mi_slice_t*)page >= segment->slices && (mi_slice_t*)page < segment->slices + segment->slice_entries));
  return segment;
}

static inline mi_slice_t* mi_slice_first(const mi_slice_t* slice) {
  mi_slice_t* start = (mi_slice_t*)((uint8_t*)slice - slice->slice_offset);