On Sun, 17 Jan 2021, Muchun Song wrote: > Because we reuse the first tail vmemmap page frame and remap it > with read-only, we cannot set the PageHWPosion on a tail page. > So we can use the head[4].private to record the real error page > index and set the raw error page PageHWPoison later. > > Signed-off-by: Muchun Song <songmuchun@xxxxxxxxxxxxx> > Reviewed-by: Oscar Salvador <osalvador@xxxxxxx> Acked-by: David Rientjes <rientjes@xxxxxxxxxx>