linux-kernel - Re: [PATCH v7 14/22] mm: memfd

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Message-ID: <CA+CK2bCrNC0uYdXbC+JK_bvk8BYFPSL=ZbTZ_T6LMHtoum+Z8Q@mail.gmail.com>
Date: Sun, 23 Nov 2025 22:13:39 -0500
From: Pasha Tatashin <pasha.tatashin@...een.com>
To: Mike Rapoport <rppt@...nel.org>
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Subject: Re: [PATCH v7 14/22] mm: memfd_luo: allow preserving memfd

> > +unlock_folio:
> > +     folio_unlock(folio);
> > +     folio_put(folio);
> > +     i++;
>
> I'd add a counter and use it int the below for loop.

Done.

>
> > +put_folios:
> > +     /*
> > +      * Note: don't free the folios already added to the file. They will be
> > +      * freed when the file is freed. Free the ones not added yet here.
> > +      */
> > +     for (; i < nr_folios; i++) {
> > +             const struct memfd_luo_folio_ser *pfolio = &folios_ser[i];
> > +
> > +             folio = kho_restore_folio(pfolio->pfn);
> > +             if (folio)
> > +                     folio_put(folio);
> > +     }
> > +
> > +     return err;
> > +}
>
> Reviewed-by: Mike Rapoport (Microsoft) <rppt@...nel.org>

Thanks!

Pasha

>
> --
> Sincerely yours,
> Mike.