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Tue, 26 Nov 2024 04:41:52 +0800 X-QQ-mid: xmsmtpt1732567312t0aqau5o9 Message-ID: X-QQ-XMAILINFO: NR+Rloh0s0m62UlB+jwenGjsf9qdVIL04YIMRK48Zkb3FOWJ8LflXXJVp7lie/ y4YMVXcpyd8Bm2q9igjZLE3mR9dJO8CKgWIMB/RfW7nb/BOKZfCOcFhT8t0arN494QRJAsYN0iuv WgUK/4BVY3N9Ab6hPY91Cd3+xqVvUzW4aTW7hZA4uiBNoD2xcXBHxxFCSrmfXJQw2LY978HMwx2U TiMqrBoMTgMHxMQzBjfg163CUcITp2NKaGnsK4/PPqcxflEFin954xVI6fg9XEP3bbPzO7iyM44o d7KErOxXwJSePUUCrXzzrOJjWZbOYBGY8F/qjHsCQwhk+kkSU/DiU3RUg1WtNekGfloxWro40e6R vJdoolDzcAAWyQe/6cyGEUFqgFbn21BjXbNMy26dzhlh74C49Xud44r+KLnyELlcy6ydvx5kBV5n M4MrvHQ7D/u4YU0ue7rDwnNPG1/rgv4XDwolh2eJzp5fUvTLyqpzSutg8oS0VyViGkoyDdepMjun QpV5SxYclLYDK9ryu/xYxEwgYBVzvkXbSc67KBnim9RH9ITsCetusxDbhxsLknhvbmuJCrHvA1PQ 7hdwhGFFjAFjXsmP9oDeUf80hseAqEfhwrYLjQQAmpekM1DzO/afNVjItY0QEAnR2Jsrl3VnQxVl LJhwDQV87qEArkINEgiXhFoM8b2B+K+HQgTkL5W0hNM++JtsGd6l4v/w9amVdeeYBKoayqZK3USv S+ooWfUqB+q9GHoW19FCtHtNL74L2dR56m6EjOPERkRTiT/3J6zwbezbyA3M5emhMpxFwehm88vK IYoHezjNbbs+8Hb4jZzFFfDRdPfwwfqCeX0mtpQTEN89UO5d8PIConoFMADkrIGbRMr9RFoFLiFL BhSlMu3UO5xZ4S0TzY3E+NCvKSJ4lRP0I/wpdgRC8Td2VIhG3ze9cq/zPY5VpkgDbihUmFHt8GgB Wua1QIypYd1z4L5x3KxIsYbsPlN4Wrx0gTRHbr4Q2c/aC5Cn7orKlLFR0ISUmvpwTY8Hr4CeR+KB uCNBi+Iw== X-QQ-XMRINFO: NI4Ajvh11aEj8Xl/2s1/T8w= X-OQ-MSGID: Date: Tue, 26 Nov 2024 04:41:50 +0800 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH] mm/mempolicy: Fix decision-making issues for memory migration during NUMA balancing To: Michal Hocko References: Cc: akpm@linux-foundation.org, dave.hansen@intel.com, gourry@gourry.net, linux-kernel@vger.kernel.org, linux-mm@kvack.org, willy@infradead.org From: Junjie Fu In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Rspamd-Server: rspam06 X-Rspamd-Queue-Id: 4F4EA1C0002 X-Stat-Signature: g5cee6ba5783zq3p7u7t4xant1s8iauw X-Rspam-User: X-HE-Tag: 1732567316-584658 X-HE-Meta: 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 jpwc13TY oRXIJkFIICowCemMvkmSh+Zx1MeCQIJAD3bFRBTQv4Iq+CVI0TS6VszGDeYsYtTeK6kmw5Nxq17IuZLt2f1iHFjl0f89d96A+mWzyj0PGPmps/y52j3i3KHJR7YGVhNFdnZSD6dGJp6bq99ZKqxDh4syePf4ysbC/JPIryA3zVWqkwq+dGBoTPX/NgI9lEZbKxxu5imSNK8372dseBc42fsVWyOehesecD2NtmAhqMn9nxPJSDm9g/aUfktfU06dCEHNJLyP6NredOXWZWsZhgu4rZrAQqQwlMNvnzQIF9IPhCv8zPfLYu7+c9qcl6+fBdxjI X-Bogosity: Ham, tests=bogofilter, spamicity=0.363691, 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 November 26, 2024 at 4:18, Michal Hocko wrote: > On Tue 26-11-24 03:45:01, Junjie Fu wrote: > [...] >> I apologize for the oversight when reviewing the code regarding the process >> of setting only the first node in the nodemask for the MPOL_PREFERRED memory >> policy. > > There is no need to apologize! Really, this code is far from > straightforward and it is not easy to get all the loose ends together. > What helps though, is to help reviewers with the problem statement. It > often helps to state whether the fix is based on code review or it is > fixing a real life or even artificial workload. Thank you very much for your understanding and kind words. I truly appreciate your helpful suggestion, and I will make sure to provide more context and clarity for reviewers in future submissions to avoid any confusion.