Re: [v3 PATCH 1/5] mm: hwpoison: remove the unnecessary THP check

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



> 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



[Index of Archives]     [Linux Ext4 Filesystem]     [Union Filesystem]     [Filesystem Testing]     [Ceph Users]     [Ecryptfs]     [NTFS 3]     [AutoFS]     [Kernel Newbies]     [Share Photos]     [Security]     [Netfilter]     [Bugtraq]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux Cachefs]     [Reiser Filesystem]     [Linux RAID]     [NTFS 3]     [Samba]     [Device Mapper]     [CEPH Development]

  Powered by Linux