On Mon, Jan 10, 2022 at 2:46 PM Jesse Barnes <jsbarnes@xxxxxxxxxx> wrote: > > So unless we want to eschew big mm changes entirely (we shouldn't! > look at net or scheduling for how important big rewrites are to > progress), I think we should be open to experimenting with new stuff. So I personally think this is worth going with, partly simply due to the reported improvements that have been measured. But also to a large extent because the whole notion of doing multi-generational LRU isn't exactly some wackadoodle crazy thing. We already do active vs inactive, the whole multi-generational thing just doesn't seem to be so "far out". But yes, numbers talk, and I get the feeling that we just need to try it. Maybe not 5.17, but.. Linus