On Wed 16-09-26 15:28:01, David Hildenbrand wrote: > On 9/16/26 15:19, Michal Hocko wrote: > > On Wed 16-09-26 15:08:45, David Hildenbrand wrote: > >> > >>> > >>> OK, so apparently there are some BIOSes which abuse this feature to > >>> mimic a real HW poisoning. This doesn't change the overall picture > >>> though > >> > >> Is this really abusing? We know that a page is shaky and will likely go > >> bad in > >> the future, For now it is still accessible. Trying to migrate off that > >> page stop > >> using it right away sounds pretty logical to me. > > > > Yes, no dispute on that. But we have HW poisoning for exactly that > > purpose, no? > > Well, that tells you that the page content is effectively gone and should be > tried to be recovered / migrated away. Unless I am messing up terminology > here.
Maybe it is me messing up the terminology... But I guess we have established that whether soft offlining is being abused or not, excluding hugetlb through a configuration is just a wrong thing to do. -- Michal Hocko SUSE Labs
