Re: [PATCH v5 1/4] mm/rmap: duplicate a PMD mapping as one in folio_dup_file_rmap_pmd()

[Jose A. Perez de Azpillaga]

On 11/4/26 9:40 PM, Konstantin Khorenko wrote:
> folio_dup_file_rmap_pmd() passes PGTABLE_LEVEL_PTE to
> __folio_dup_file_rmap() for HPAGE_PMD_NR pages, so it adds HPAGE_PMD_NR
> PTE mappings to the folio instead of one PMD mapping.
> 
> The helper has no caller yet, the next patch adds the first one. Pass
> PGTABLE_LEVEL_PMD, as folio_try_dup_anon_rmap_pmd() does.
> 
> Fixes: d8ef5e311d7b ("mm/rmap: convert page_dup_file_rmap() to folio_dup_file_rmap_[pte|ptes|pmd]()")
> Cc: stable@xxxxxxxxxxxxxxx
> Reviewed-by: Zi Yan <ziy@xxxxxxxxxx>
> Reviewed-by: Kiryl Shutsemau (Meta) <kas@xxxxxxxxxx>
> Acked-by: David Hildenbrand (Arm) <david@xxxxxxxxxx>
> Signed-off-by: Konstantin Khorenko <khorenko@xxxxxxxxxxxxx>

LGTM:

Reviewed-by: Jose A. Perez de Azpillaga <azpijr@xxxxxxxxx>

-- 
cheers,
jose a. p-a