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t=1772067558; bh=WgtMgVEJKBbw5rku/Ulb3PMFelZylX2qCcQghD/WKGY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=aMNubDGHFO4gX9UZIZ0xL+udtZ8ylyA4aHsLnZPtS0UrNwyrlD1SemckyK6PmBSHi vLI+hW533UdcQOdT2JUqkht2gmkGCP/Kvra+ZCn71s/jjGRKIGIKcfrnq8wnT1dcPf E28L5kPqiXXB7spXLQNP/fQcufvcN8Ha+p33TAwetW+L5OcRjTpOlb2txC58tLrdJU L5EADGe/7D6JStAQWd2u0fvJAgbcNgttvev5/8eKgKG7MoQoRbaY/QwYKZ3grCI3am 1QCpgTzsMRet9RN7sOldX3esvjswLpW+84aVTIDJDwynyJxvFt7U4lOmCwAukvd/I2 43I4Ix7qqd8vQ== From: SeongJae Park To: Ravi Jonnalagadda Cc: SeongJae Park , damon@lists.linux.dev, linux-mm@kvack.org, linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org, akpm@linux-foundation.org, corbet@lwn.net, bijan311@gmail.com, ajayjoshi@micron.com, honggyu.kim@sk.com, yunjeong.mun@sk.com Subject: Re: [RFC PATCH v4 4/4] mm/damon: add PA-mode cache for eligible memory detection lag Date: Wed, 25 Feb 2026 16:59:15 -0800 Message-ID: <20260226005916.7950-1-sj@kernel.org> X-Mailer: git-send-email 2.47.3 In-Reply-To: References: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Rspamd-Queue-Id: 520514000D X-Stat-Signature: 75bxgcku8hw7t3kaixygkj68mm16szqo X-Rspam-User: X-Rspamd-Server: rspam04 X-HE-Tag: 1772067559-916705 X-HE-Meta: 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 2h4N1OQA 6P+0e/DoS73qcKZ6EvHnSrTMrNbSlAWWKcn7k1BgejATKqR7aVaw82aDqEAkb88rcFuNn0iRQIHeydnr9sb3XGH0I+w2Mrv9kd14Ipy3ZlWbd+bLYZfngju2rB+w9AcJ54uVtiY+ra/6w/4gE31t0P5TPHvWcre9je8C15NFQIBbE4A6fwlWc9LexFRCQSTTEmjBuN5ICHkIl5W+H3qHVSRucCAtgdOqad2/i3ZsygSS3YIlQNYQdUsf8WZHoq+LOH7fvk8R3X04mrNLA3wtd4TLmyU+42JdZBjIwKiwBEHnVMneaImq3l/uDvS7FOG3PlU4qjTjgDq/iZdiGGUpBJuJk2FjKckQcE9A2jQA4GdrVKHg= Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Wed, 25 Feb 2026 10:58:15 -0800 Ravi Jonnalagadda wrote: > On Mon, Feb 23, 2026 at 9:54 PM SeongJae Park wrote: > > > > On Mon, 23 Feb 2026 12:32:32 +0000 Ravi Jonnalagadda wrote: [...] > I agree with dropping this patch for now. Let's focus on getting the > core metrics merged first. > The cache mechanism can be revisited later if real-world usage shows > it's needed. Thank you for flexibly accepting my suggestion, Ravi. I hope to continue more discussions on the issue later. Thanks, SJ [...]