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V" , Wei Xu , Dan Williams , Dave Hansen , "Davidlohr Bueso" , Johannes Weiner , "Jonathan Cameron" , Michal Hocko , Yang Shi , Rafael J Wysocki Subject: Re: [PATCH RESEND 0/4] memory tiering: calculate abstract distance based on ACPI HMAT References: <20230721012932.190742-1-ying.huang@intel.com> <875y6dj3ok.fsf@nvdebian.thelocal> <20230724105818.6f7b10fc8c318ea5aae9e188@linux-foundation.org> <6c8ed42d-ea71-c11e-2689-c4fc23845ccf@amd.com> Date: Fri, 11 Aug 2023 14:26:17 +0800 In-Reply-To: <6c8ed42d-ea71-c11e-2689-c4fc23845ccf@amd.com> (Bharata B. Rao's message of "Tue, 1 Aug 2023 08:05:00 +0530") Message-ID: <87il9mccxi.fsf@yhuang6-desk2.ccr.corp.intel.com> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.2 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain; charset=ascii X-Rspamd-Server: rspam09 X-Rspamd-Queue-Id: 44FD080011 X-Stat-Signature: xjao9843zpt1qnsopq683xaj4amf8189 X-Rspam-User: X-HE-Tag: 1691735281-909740 X-HE-Meta: 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 WoBjNC3P AA82bjgrZIbDxlVzUBidzMZQWR2kG/CeFYZ0lz1x0G9MaAJ8FPMQdNL9y96pFyL/AEZDsBCSyWteclULzL9iJl2vlY772WRycaGzc1nJ4CIR9CYKtIwWKzgBYMVI7/7ymyuvqUJrANv70aD9o/x20HUe2qo8oDnvOyvKP1RsaZZpo4QmsxOTdGAj3r0iFjvvHpKF8+9VSj0xYj4ZaWy9Ox6rMQLfY7kw3ymCe 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: Hi, Rao, Bharata B Rao writes: > On 24-Jul-23 11:28 PM, Andrew Morton wrote: >> On Fri, 21 Jul 2023 14:15:31 +1000 Alistair Popple wrote: >> >>> Thanks for this Huang, I had been hoping to take a look at it this week >>> but have run out of time. I'm keen to do some testing with it as well. >> >> Thanks. I'll queue this in mm-unstable for some testing. Detailed >> review and testing would be appreciated. > > I gave this series a try on a 2P system with 2 CXL cards. I don't trust the > bandwidth and latency numbers reported by HMAT here, but FWIW, this patchset > puts the CXL nodes on a lower tier than DRAM nodes. Thank you very much! Can I add your "Tested-by" for the series? -- Best Regards, Huang, Ying