GMAP_FLAG_EXPORT_ON_UNMAP
if (ptep->s.pr && test_bit(GMAP_FLAG_EXPORT_ON_UNMAP, &priv->gmap->flags))
if (old.s.fc1.pr && test_bit(GMAP_FLAG_EXPORT_ON_UNMAP, &priv->gmap->flags))
set_bit(GMAP_FLAG_EXPORT_ON_UNMAP, &kvm->arch.gmap->flags);
set_bit(GMAP_FLAG_EXPORT_ON_UNMAP, &kvm->arch.gmap->flags);