Re: [memcg] 0f12156dff: will-it-scale.per_process_ops -33.6% regression

[Linus Torvalds]

On Tue, Sep 7, 2021 at 8:46 AM Jens Axboe <axboe@xxxxxxxxx> wrote:
>
> Are we at all worried about these? There's been a number of them
> reported, basically for all the accounting enablements that have been
> done in this merge window.

We are worried about them. I'm considering reverting several of them
because I think the problems are

 (a) big

 (b) nontrivial

and the patches clearly weren't ready and people weren't aware of this issue.

           Linus