Re: [PATCH v2 2/2] mm/memory-failure.c: dissolve truncated hugetlb page

[HORIGUCHI NAOYA(堀口 直也)]

On Thu, Apr 14, 2022 at 07:49:41PM +0800, Miaohe Lin wrote:
> If me_huge_page meets a truncated but not yet freed hugepage, it won't be
> dissolved even if we hold the last refcnt. It's because the hugepage has
> NULL page_mapping while it's not anonymous hugepage too. Thus we lose the
> last chance to dissolve it into buddy to save healthy subpages. Remove
> PageAnon check to handle these hugepages too.
> 
> Signed-off-by: Miaohe Lin <linmiaohe@xxxxxxxxxx>

Thank you for the update.

Acked-by: Naoya Horiguchi <naoya.horiguchi@xxxxxxx>