Re: [PATCH v3 1/7] mm: zswap: add pool shrinking mechanism

[Johannes Weiner]

On Mon, Jun 12, 2023 at 11:38:09AM +0200, Domenico Cerasuolo wrote:
> Each zpool driver (zbud, z3fold and zsmalloc) implements its own shrink
> function, which is called from zpool_shrink. However, with this commit,
> a unified shrink function is added to zswap. The ultimate goal is to
> eliminate the need for zpool_shrink once all zpool implementations have
> dropped their shrink code.
> 
> To ensure the functionality of each commit, this change focuses solely
> on adding the mechanism itself. No modifications are made to
> the backends, meaning that functionally, there are no immediate changes.
> The zswap mechanism will only come into effect once the backends have
> removed their shrink code. The subsequent commits will address the
> modifications needed in the backends.
> 
> Acked-by: Nhat Pham <nphamcs@xxxxxxxxx>
> Tested-by: Yosry Ahmed <yosryahmed@xxxxxxxxxx>
> Signed-off-by: Domenico Cerasuolo <cerasuolodomenico@xxxxxxxxx>

Acked-by: Johannes Weiner <hannes@xxxxxxxxxxx>