Re: [PATCH v4 1/8] KVM: s390: pv: Use VM_SPARSE area for guest variable storage area

[Heiko Carstens]

On Mon, Jul 20, 2026 at 11:56:36AM +0200, Christian Borntraeger wrote:
> [..]> +static int uv_free_range_cb(pte_t *ptep, unsigned long addr, void *data)
> > +{
> > +	pte_t pte = ptep_get(ptep);
> > +
> > +	if (!pte_present(pte))
> > +		return 0;
> I guess we do not need it today, but it certainly does not hurt?

It is not needed, just a sanity check.