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From: Muchun Song In-Reply-To: <20260703063826.306878-2-jiayuan.chen@linux.dev> Date: Tue, 7 Jul 2026 10:24:32 +0800 Cc: linux-mm@kvack.org, jiayuan.chen@shopee.com, Johannes Weiner , Michal Hocko , Roman Gushchin , Shakeel Butt , Andrew Morton , cgroups@vger.kernel.org, linux-kernel@vger.kernel.org Content-Transfer-Encoding: 7bit Message-Id: <7EAAB709-9AB1-43A9-AE43-8E0191BA1B2C@linux.dev> References: <20260703063826.306878-1-jiayuan.chen@linux.dev> <20260703063826.306878-2-jiayuan.chen@linux.dev> To: Jiayuan Chen X-Migadu-Flow: FLOW_OUT X-Rspam-User: X-Rspamd-Server: rspam02 X-Rspamd-Queue-Id: 9A64A40003 X-Stat-Signature: eeej4tqfo7y4u1mq8mjdc8jq1xu6nt8i X-HE-Tag: 1783391091-346928 X-HE-Meta: U2FsdGVkX19QW5H/xXuWT6RcxVHuom75rox6/efb4c0WR2FEBZPLWtPvXXQsdkeX9XBoi5lgzgB3c6UIwgFUOxLy3m3jSzcj6tD+93YJ2ilauZJkqCl2rmDA/igqgxtJnVF+YKxOucxWZICi37IB/Z9mIiXX2CqUC2ooyPX2KFAnK2jq7lGeURehq250X4dCVIAD09/ikGhQK4iOjRrGNoJ3ASWZJXzCs5UcsUrFwkQFArko+tLU6cYwfcgAkBqUW4077Kg9YClkT3OKf1e0gaptqKr0AOM9XgeUyIrxxuH3Y9i/Th3RRkW6pCUXGEQoPzISVTzJ89cbECp2ZdNAKTK3vtDPLpOOZGYotwVcvUN+4btfP63qQlhba20MGVFRlZ1p/CpbEhLH1C8CrHymE8C6nWUnTxrdsDABOtGlGLzBgHWc2/Sos0mnkObKLV/p1IhWhvpD4OXufLRFk5F1y1CgjcIH847EMEv7Oc2HDroMZtF4XKxxPS2/jiUB4aX4gUbk++n58c1g05j/E6Br0Lo748c1TgcOwh1uZtgb6aZXdnEV3CE3AvEjXlZPhJLa+1aiSk++Sx8wI9MfO8AUIhrQFcFU/3rutgYZbOc0NKGAy0gx6dutZc60QPU02Ij5lBY7HlqQO2Xh8knVQS1Muua1vKDMpIF8C7bmLHEtw8S+DNJPif2StL6+ISqpbZuA1mbRegHgw2RglMa7ThVLep9KvdLLminJFSXTJfP+o2bFLj6Ape06XUEE9ZNmmBipKzIF00N5jdRECccWOcVHFN9TqUe2SLNkFYjNq8bsOze9mQprhWH5xObLq/8aBkyaFf352xcV8jAkXseMuJPpF+SOm1wOjY7EyI9KmKbmR6q6QGfcB/Bn5ZOmMarcYzSUn1z430KCgP84ySrmH6Z4/Q+0M3TqdBHpe2G22pGp1gm6vTsyW0Mpz/NnDPL6EK5EHoeLTWP5XQA90Ul8E/G ER0LIFfu iju0Z4teLGIfARScMrXjEF2m23lKl+6lOGSt5oP/idce2ynzbB+BTudSJMiTaTbk22/hlQCIGLk05bONpIhJsQ9yxZsavKHW3GsDzod6QxWaRSp5xYESw/LQIIlFqKjOrGn04FnYFZB5dTXGozyVQ4gcTVuTgJBHZ7HiqosAhL4VLf0r+xarULLMUNZ/bNw5bTsEyKKrf2GHuT0sIV0FNkLqFJVQ7qJewK/Fsp8tJJKvF2B+BoL/3OL9w4aQgnrM9bgUSuqPOElmLrIAJqsZYAiJHblsy9kQW6ITun5AUsKzxp/W596TzUDaQq1LgO5NPNQVP4i5pJbeWQ5HhfbyAs1cGKiP6tCYBj8HcsVyYI2kDtipIQgksh0tgv5bS4cMB7Jvl Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: > On Jul 3, 2026, at 14:38, Jiayuan Chen wrote: > > From: Jiayuan Chen > > memory.oom.group defaults to disabled, but css_reset did not clear > memcg->oom_group when a disabled memory css is kept alive by another > controller dependency. > > Reset it with the other memory controller policies so a hidden memcg > cannot keep applying stale group OOM kill policy. > > Cc: Jiayuan Chen > Signed-off-by: Jiayuan Chen Reviewed-by: Muchun Song Thanks.