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,
muchun.song@linux.dev, akpm@linux-foundation.org,
david@kernel.org, ljs@kernel.org, liam@infradead.org,
vbabka@kernel.org, rppt@kernel.org, surenb@google.com,
dev@lankhorst.se, mripard@kernel.org, nat@pixelcluster.dev,
tj@kernel.org, mkoutny@suse.com, osalvador@suse.de,
cgroups@vger.kernel.org, linux-mm@kvack.org,
linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org,
kernel-team@meta.com
Subject: Re: [PATCH v5 5/7] mm/page_counter: introduce an asynchronous drainer
Date: Mon, 7 Sep 2026 16:25:31 -0700 [thread overview]
Message-ID: <ap9HiQv7_9cyIe2e@linux.dev> (raw)
In-Reply-To: <20260831163752.2193337-6-joshua.hahnjy@gmail.com>
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.
next prev parent reply other threads:[~2026-09-07 23:25 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-08-31 16:37 [PATCH v5 0/7] move stock from mem_cgroup to page_counter Joshua Hahn
2026-08-31 16:37 ` [PATCH v5 1/7] mm/memcontrol: flatten try_charge_memcg control flow Joshua Hahn
2026-09-04 23:06 ` Shakeel Butt
2026-08-31 16:37 ` [PATCH v5 2/7] mm/page_counter: report the number of pages charged Joshua Hahn
2026-09-05 1:47 ` Shakeel Butt
2026-08-31 16:37 ` [PATCH v5 3/7] mm/page_counter: introduce per-page_counter stock Joshua Hahn
2026-09-04 22:47 ` Shakeel Butt
2026-09-07 22:25 ` Shakeel Butt
2026-08-31 16:37 ` [PATCH v5 4/7] mm/page_counter: use stock in page_counter_try_charge Joshua Hahn
2026-09-07 23:21 ` Shakeel Butt
2026-09-08 1:23 ` Joshua Hahn
2026-08-31 16:37 ` [PATCH v5 5/7] mm/page_counter: introduce an asynchronous drainer Joshua Hahn
2026-09-07 23:25 ` Shakeel Butt [this message]
2026-09-08 1:19 ` Joshua Hahn
2026-08-31 16:37 ` [PATCH v5 6/7] mm/memcontrol: convert memcg to use page_counter_stock Joshua Hahn
2026-08-31 16:37 ` [PATCH v5 7/7] mm/memcontrol: add stock to the memsw page_counter Joshua Hahn
2026-09-01 9:40 ` Michal Koutný
2026-09-01 14:11 ` Joshua Hahn
2026-09-04 16:53 ` [PATCH v5 0/7] move stock from mem_cgroup to page_counter Joshua Hahn
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