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[96.255.20.138]) by smtp.gmail.com with ESMTPSA id 6a1803df08f44-8971cdbf972sm64521896d6.44.2026.02.13.06.56.13 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 13 Feb 2026 06:56:13 -0800 (PST) Date: Fri, 13 Feb 2026 09:56:11 -0500 From: Gregory Price To: Bharata B Rao Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org, Jonathan.Cameron@huawei.com, dave.hansen@intel.com, mgorman@techsingularity.net, mingo@redhat.com, peterz@infradead.org, raghavendra.kt@amd.com, riel@surriel.com, rientjes@google.com, sj@kernel.org, weixugc@google.com, willy@infradead.org, ying.huang@linux.alibaba.com, ziy@nvidia.com, dave@stgolabs.net, nifan.cxl@gmail.com, xuezhengchu@huawei.com, yiannis@zptcorp.com, akpm@linux-foundation.org, david@redhat.com, byungchul@sk.com, kinseyho@google.com, joshua.hahnjy@gmail.com, yuanchu@google.com, balbirs@nvidia.com, alok.rathore@samsung.com, shivankg@amd.com Subject: Re: [RFC PATCH v5 00/10] mm: Hot page tracking and promotion infrastructure Message-ID: References: <20260129144043.231636-1-bharata@amd.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260129144043.231636-1-bharata@amd.com> X-Rspamd-Queue-Id: 8358A4000C X-Rspam-User: X-Rspamd-Server: rspam05 X-Stat-Signature: tbwbdiuri1d7aj9jfhtg1tndhzd718oy X-HE-Tag: 1770994575-400391 X-HE-Meta: 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 lWcaF3be mdl+Xu7/9yNDWpZd5D1HPieV9YPaNrZxNMXgFbsPkhm82uQ0dmOfWnqDhdKy4KRBjml0tdw5JEUahelCGfkOysmni/YRPzgz/IPUUI5S/JJdiE1XGFKaBm5iHogrFNS8l5IT7vfgYGIU0fsWp4Gkn0y0rC6TdhwXCkor+B+DBGCMmEX3qaFgkqgJoGqM8VTWFRpbWOpZgHGV7oDFKI4o77yZupwEC7XSycB+A5tzW/6WgnSbv7E+2XPqDXJWd7Es9X4bvE7YNhJCwTbEcbt6aWuztvbGh8XYcIGYbC8lc0lJFZLDhVeG/mvHvaosfoRp4xkMxkaxxN8Ya3p8VEykjfln1zZ5LfD6+vCa4R5igeCKL6moG/pAcIAkmvOD4yGZ2LA4nXiug3TIWX0DkKTz38b0vjA== X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Thu, Jan 29, 2026 at 08:10:33PM +0530, Bharata B Rao wrote: > Hi, > > This is v5 of pghot, a hot-page tracking and promotion subsystem. > The major change in v5 is reducing the default hotness record size > to 1 byte per PFN and adding an optional precision mode > (CONFIG_PGHOT_PRECISE) that uses 4 bytes per PFN. > In the future can you add a base-commit: for the series? Make's it easier to automate pulling it in for testing and backports etc. ~Gregory