On Thu, Apr 28, 2022 at 9:54 AM Yang Shi <shy828301@xxxxxxxxx> wrote: > [...] > > Yes, we have some modifications to zswap to make it work without any > > backing real swap. Though there is a future plan to move to zram > > eventually. > > Interesting, if so why not just simply use zram? > Historical reasons. When we started trying out the zswap, I think zram was still in staging or not stable enough (Suleiman can give a better answer).