Re: [PATCH v2] mm: swap: async free swap slot cache entries

From: Tim Chen
Date: Tue Feb 06 2024 - 20:08:11 EST


On Mon, 2024-02-05 at 11:10 -0800, Chris Li wrote:
>
>
> In our system, a really heavy swap load is rare and it means something
> is already wrong. At that point the app's SLO is likely at risk,
> regardless of long tail swap latency. It is already too late to
> address it at the swap fault end. We need to address the source of the
> problem which is swapping out too much.
>
>

Could some usage scenarios put more pressure on swap than your
usage scenario? Say system with limited RAM and rely on zswap?

Tim