On Fri, Nov 18, 2022 at 02:24:23AM +0000, Tian, Kevin wrote: > > From: Jason Gunthorpe <jgg@xxxxxxxxxx> > > Sent: Thursday, November 17, 2022 5:01 AM > > +static void batch_skip_carry(struct pfn_batch *batch, unsigned int skip_pfns) > > +{ > > + if (!batch->total_pfns) > > + return; > > + skip_pfns = min(batch->total_pfns, skip_pfns); > > + batch->pfns[0] += skip_pfns; > > + batch->npfns[0] -= skip_pfns; > > + batch->total_pfns -= skip_pfns; > > +} > > You forgot to add the assertion which you replied to v4: > > @@ -239,6 +239,8 @@ static void batch_skip_carry(struct pfn_batch *batch, unsigned int skip_pfns) > { > if (!batch->total_pfns) > return; > + if (IS_ENABLED(CONFIG_IOMMUFD_TEST)) > + WARN_ON(batch->total_pfns != batch->npfns[0]); > skip_pfns = min(batch->total_pfns, skip_pfns); > All the IS_ENABLED assertions are together in a later patch Thanks, Jason