Re: [PATCH v2 3/3] mm: zswap: drop cold writeback folios via swap dropbehind

[Alexandre Ghiti]

On Tue, Jul 28, 2026 at 6:13 PM Nhat Pham <nphamcs@xxxxxxxxx> wrote:
>
> >
> On Tue, Jul 28, 2026 at 8:52 AM Yosry Ahmed <yosry@xxxxxxxxxx> wrote:
> >
> > On Tue, Jul 28, 2026 at 8:48 AM Nhat Pham <nphamcs@xxxxxxxxx> wrote:
> > I don't think it's worth optimizing zswap + sync backend tbh.
>
> Yeah that's what I'm thinking too, to be completely honest. But my
> mental model for sync backend is zram, so I'm not sure if there are
> other cases that are interesting that I'm not familiar with.

Thanks for your feedback too,

Alex

>
> Normally I just use zswap on zram for correctness stress testing :)
> That set up fishes out a surprising amount of bugs.