On Mon, Dec 18, 2023 at 01:58:35PM +0000, Matthew Wilcox (Oracle) wrote:
> Both collect_procs_anon() and collect_procs_file() iterate over the VMA
> interval trees looking for a single pgoff, so it is wrong to look for
> the pgoff of the head page as is currently done. However, it is also
> wrong to look at page->mapping of the precise page as this is invalid
> for tail pages. Clear up the confusion by passing both the folio and
> the precise page to collect_procs().
>
> Fixes: 415c64c1453a ("mm/memory-failure: split thp earlier in memory error handling")
> Cc: stable@xxxxxxxxxxxxxxx
> Signed-off-by: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx>
Looks good to me, thank you.
Acked-by: Naoya Horiguchi <naoya.horiguchi@xxxxxxx>
