Re: [PATCHv2 05/11] mm/truncate: Use folio_set_dropbehind() instead of deactivate_file_folio()

[Yu Zhao <yuzhao@xxxxxxxxxx>]

On Wed, Jan 15, 2025 at 2:32 AM Kirill A. Shutemov
<kirill.shutemov@xxxxxxxxxxxxxxx> wrote:
>
> The recently introduced PG_dropbehind allows for freeing folios
> immediately after writeback. Unlike PG_reclaim, it does not need vmscan
> to be involved to get the folio freed.
>
> The new flag allows to replace whole deactivate_file_folio() machinery
> with simple folio_set_dropbehind().
>
> Signed-off-by: Kirill A. Shutemov <kirill.shutemov@xxxxxxxxxxxxxxx>

Acked-by: Yu Zhao <yuzhao@xxxxxxxxxx>