On Wed, Apr 21, 2021 at 4:49 PM Oscar Salvador <osalvador@xxxxxxx> wrote: > > On Wed, Apr 21, 2021 at 04:41:10PM +0800, Muchun Song wrote: > > > But softoffline does not set page hwpoison before > > __get_hwpoison_page(). So the page still can be > > allocated. Right? > > Yep, soft_offline() only marks the page as hwpoison once the page has been > fully contended and no other use is possible. > But yeah, hugetlb is a bit trickier in that regard. > > This needs fixing in there. It is OK to fix it in softoffline/memory-failure. I just want to expose the race. Thanks. > > > -- > Oscar Salvador > SUSE L3
