fix used size field when visiting heap blocks
@@ -532,7 +532,7 @@ static bool mi_heap_visit_areas_page(mi_heap_t* heap, mi_page_queue_t* pq, mi_pa
xarea.area.reserved = page->reserved * bsize;
xarea.area.committed = page->capacity * bsize;
xarea.area.blocks = _mi_page_start(_mi_page_segment(page), page, NULL);
- xarea.area.used = page->used * bsize;
+ xarea.area.used = page->used; // number of blocks in use (#553)
xarea.area.block_size = ubsize;
xarea.area.full_block_size = bsize;
return fun(heap, &xarea, arg);
