PrestaShop/PrestaShop — pull request #265 by MrManchot (2013-02-11 16:09:16+00:00)
Title: Update modules/crossselling/crossselling.php

Limit to the last (more relevant) 100 orders because "WHERE od.id_order IN ('.$list.')" with potentially several thousands Ids called on each product page, can be really slow.