On Sat 20-02-21 12:20:36, Muchun Song wrote: > On Fri, Feb 19, 2021 at 10:12 PM Michal Hocko <mhocko@xxxxxxxx> wrote: [...] > > What about hugetlb page poisoning on HW failure (resp. soft offlining)? > > If the HW poisoned hugetlb page failed to be dissolved, the page > will go back to the free list with PG_HWPoison set. But the page > will not be used, because we will check whether the page is HW > poisoned when it is dequeued from the free list. If so, we will skip > this page. Can this lead to an underprovisioned pool then? Or is there a new hugetlb allocated to replace the poisoned one? -- Michal Hocko SUSE Labs
