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

[Nhat Pham]

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.

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