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Date: Mon, 7 Sep 2026 16:25:31 -0700
From: Shakeel Butt <shakeel.butt@linux.dev>
To: Joshua Hahn <joshua.hahnjy@gmail.com>
Cc: hannes@cmpxchg.org, mhocko@kernel.org, roman.gushchin@linux.dev, 
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Subject: Re: [PATCH v5 5/7] mm/page_counter: introduce an asynchronous drainer
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References: <20260831163752.2193337-1-joshua.hahnjy@gmail.com>
 <20260831163752.2193337-6-joshua.hahnjy@gmail.com>
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On Mon, Aug 31, 2026 at 09:37:49AM -0700, Joshua Hahn wrote:
> The existing percpu memcg stock drainer schedules a stock drain worker
> per-cpu, one for every CPU containing the target memcg's stock.

But you are introducing remote draining. Why do you need async drainer at all?
Just always drain synchronously.