On 12/2/22 10:36, Kristen Carlson Accardi wrote: > When selecting pages to be reclaimed from the page pool (sgx_global_lru), > the list of reclaimable pages is walked, and any page that is both > reclaimable and not in the process of being freed is added to a list of > potential candidates to be reclaimed. After that, this separate list is > further examined and may or may not ultimately be reclaimed. In order > to prevent this page from being removed from the sgx_epc_lru_lists > struct in a separate thread by sgx_drop_epc_page(), keep track of > whether the EPC page is in the middle of being reclaimed with > the addtion of a RECLAIM_IN_PROGRESS flag, and do not delete the page > off the LRU in sgx_drop_epc_page() if it has not yet finished being > reclaimed. This never really comes out and tells us what problem is being addressed.
