Hi Yosry, On Thu, Dec 7, 2023 at 5:12 PM Yosry Ahmed <yosryahmed@xxxxxxxxxx> wrote: > > I briefly summarized my recent discussion with Johannes here: > > > > https://lore.kernel.org/all/CAKEwX=NwGGRAtXoNPfq63YnNLBCF0ZDOdLVRsvzUmYhK4jxzHA@xxxxxxxxxxxxxx/ > > > > TL;DR is we acknowledge the potential usefulness of swap.tiers > > interface, but the use case is not quite there yet, so it does not > > make too much sense to build up that heavy machinery now. > > zswap.writeback is a more urgent need, and does not prevent swap.tiers > > if we do decide to implement it. > > I am honestly not convinced by this. There is no heavy machinery here. > The interface is more generic and extensible, but the implementation > is roughly the same. Unless we have a reason to think a swap.tiers > interface may make it difficult to extend this later or will not > support some use cases, I think we should go ahead with it. If we are > worried that "tiers" may not accurately describe future use cases, we > can be more generic and call it swap.types or something. > +100. Chris
