Re: [PATCH] mm/memcontrol: respect zswap.writeback setting from parent cg too

From: Nhat Pham
Date: Tue Aug 20 2024 - 11:29:39 EST


On Mon, Aug 19, 2024 at 9:07 PM Yosry Ahmed <yosryahmed@xxxxxxxxxx> wrote:
>
>
> It's commit 501a06fe8e4c ("zswap: memcontrol: implement zswap
> writeback disabling"). It landed in v6.8.
>
> I suspect there aren't many users that depend on the old behavior so
> far, so I would prefer to get this backported so that it's less likely
> that more (or any) users start depending on the old behavior.

Agree - let's backport it then. In hindsight, I feel like this is
already what users assume. We don't rely on the assumption internally,
but at least one client of ours has asked for clarifications about
this.