> Any comment on this patch and patch #3? I'd prefer to fix more > comments for a new version. No. Both 1/5 and 3/5 look fine to me. So ... > On Thu, Sep 30, 2021 at 2:53 PM Yang Shi <shy828301@xxxxxxxxx> wrote: > > > > When handling THP hwpoison checked if the THP is in allocation or free > > stage since hwpoison may mistreat it as hugetlb page. After > > commit 415c64c1453a ("mm/memory-failure: split thp earlier in memory error > > handling") the problem has been fixed, so this check is no longer > > needed. Remove it. The side effect of the removal is hwpoison may > > report unsplit THP instead of unknown error for shmem THP. It seems not > > like a big deal. > > > > The following patch depends on this, which fixes shmem THP with > > hwpoisoned subpage(s) are mapped PMD wrongly. So this patch needs to be > > backported to -stable as well. > > > > Cc: <stable@xxxxxxxxxxxxxxx> > > Suggested-by: Naoya Horiguchi <naoya.horiguchi@xxxxxxx> > > Signed-off-by: Yang Shi <shy828301@xxxxxxxxx> Acked-by: Naoya Horiguchi <naoya.horiguchi@xxxxxxx> Patch 3/5 already has my Signed-off-by, so I think it can be considered as acked by me. Thanks, Naoya Horiguchi