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charset="UTF-8" Content-Transfer-Encoding: quoted-printable User-Agent: Evolution 3.56.2 (3.56.2-2.fc42) Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 On Tue, 2026-02-24 at 09:56 +0800, Baolin Wang wrote: >=20 > diff --git a/mm/rmap.c b/mm/rmap.c > index bff8f222004e..be785dfc9336 100644 > --- a/mm/rmap.c > +++ b/mm/rmap.c > @@ -1065,6 +1065,7 @@ int folio_referenced(struct folio *folio, int > is_locked, > =C2=A0 .invalid_vma =3D invalid_folio_referenced_vma, > =C2=A0 }; > =C2=A0 > + VM_WARN_ON_FOLIO(folio_is_zone_device(folio), folio); > =C2=A0 *vm_flags =3D 0; > =C2=A0 if (!pra.mapcount) > =C2=A0 return 0; Should be a VM_WARN_ON_ONCE_FOLIO so we do not cause a softlockup if we try to print information about a million ZONE_DEVICE pages? --=20 All Rights Reversed.