On Tue, Jul 07, 2020 at 12:56:58PM -0700, Sean Christopherson wrote: > > > It's a single line of code, and there's more than one > > > "shouldn't" in the above. > > > > If you want, I can both set it and add the comment. Thanks, > > Why bother with the comment? It'd be wrong in the sense that the as_id is > always valid/accurate, even if npages == 0. Sorry I'm confused.. when npages==0, why as_id field is meaningful? Even if the id field is meaningless after the slot is successfully removed, or am I wrong? My understanding is that after your dynamic slot work, we'll only have at most one extra memslot that was just removed, and that slot should be meaningless as a whole. Feel free to correct me. -- Peter Xu