1. A memory module comprising: a plurality of volatile memory devices; a plurality of repair units; and non-volatile memory to store data about the plurality of volatile memory devices, wherein the non-volatile memory comprises: an available repair units field to indicate how many of the plurality of repair units are available for performing post package repair (PPR) on the plurality of volatile memory devices; and a PPR completion field to indicate how many PPRs have been performed on the plurality of volatile memory devices; wherein the available repair units field and the PPR completion field are to be read by a memory controller during boot time of the memory module.