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Date: Tue, 07 Feb 2023 12:50:24 +1100 From: Alistair Popple <apopple@...dia.com> To: Tejun Heo <tj@...nel.org> Cc: Waiman Long <longman@...hat.com>, Yosry Ahmed <yosryahmed@...gle.com>, linux-mm@...ck.org, cgroups@...r.kernel.org, linux-kernel@...r.kernel.org, jgg@...dia.com, jhubbard@...dia.com, tjmercier@...gle.com, hannes@...xchg.org, surenb@...gle.com, mkoutny@...e.com, daniel@...ll.ch, "Daniel P . Berrange" <berrange@...hat.com>, Alex Williamson <alex.williamson@...hat.com>, Zefan Li <lizefan.x@...edance.com>, Andrew Morton <akpm@...ux-foundation.org> Subject: Re: [PATCH 14/19] mm: Introduce a cgroup for pinned memory Tejun Heo <tj@...nel.org> writes: > On Mon, Feb 06, 2023 at 08:00:54PM -0500, Waiman Long wrote: >> If it should not be part of the memcg, does it make sense to make it a >> resource in the existing misc controller? I believe we don't want a >> proliferation of new cgroup controllers. > > Yeah, if it's gonna be an independent knob, I suppose so, but I really think > the locked accounting should be tied to the page, which mostly likely would > mean that it'd be tied to the page ownership too making its natural place > memcg. Yes, I think it might be possible. I looked briefly at doing it when initially developing the series but I would like to resolve the question of independent knob vs. memcg before heading too far down either path. > Thanks.
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