From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-dl1-f45.google.com (mail-dl1-f45.google.com [74.125.82.45]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id B93243C73F9 for ; Mon, 30 Mar 2026 11:41:53 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=74.125.82.45 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774870914; cv=none; b=JLBGk9mhzOIJfR6URD7ChyD7XQS1IEg0CSZLvqQFJ3+m6zWnIfYCaVtDK4SiQRNRIXO32Qj4hGLeHYEgLBfVCdEc9h08K+6NRqAHoA7OIIY0AtG09mPhxaSJPWTFpoEbB00EDP+uezOu3pw/etR23mNOddw9QiiE0cEmUfPGRcc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774870914; c=relaxed/simple; bh=jy4JXObkxn6zs5G9yFF18bF4JPw9+ojVLYoPuhxyOMc=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=HfGKTAdqqBcM0RxnIKrNlrAfhy4KUNk3PMZuwafxTgDXPdt7ywSSrT/z1a2EVHGa94yq9jDgBiH5zSI6OeFsgWiTRQ4uZAllSlrJDkT5mO37KA1LM7DLB1SPLgot39dByu5s25OXIq9cgJKqVWw1kbVsNphhDIp4ywkEVQhS2jU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=QriGvYrj; arc=none smtp.client-ip=74.125.82.45 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="QriGvYrj" Received: by mail-dl1-f45.google.com with SMTP id a92af1059eb24-126ea4b77adso5956532c88.1 for ; Mon, 30 Mar 2026 04:41:53 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20251104; t=1774870913; x=1775475713; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=O8qbAM+0abt2Xsw25EiZl6rgD9G86cRKj274QNi4sMI=; b=QriGvYrjwcEeiOdDxdSPz/bkSiWT6RprRk+aTdrU2IXcqAPLIIhrTbv20Y+e0dhseY Q6r8j/TvYKLQIj64d40XvKCLikE65OUcr9lsDIbDBfzevvQmrfICTTrl1AkZ0mT3MwBy kk+8EQSmsb3TvDt3+bRl5Z3n+oLHVlWlkceSFdx8sDA8tbA97aPNzOE85nMfrkfdTOga wEGna2Z2tclWxx/xa3UKtYNaAOV0gEWT8seRD8DkFFIwERMaDsSr6X/YmTiL4xvZSWQs skweBd8wYRqUIIju2jZDYepRhI90NFLR+VFsZn4fEMP9zXAweOksr0VKRhoJN49x28b6 0DFw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1774870913; x=1775475713; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-gg:x-gm-message-state:from :to:cc:subject:date:message-id:reply-to; bh=O8qbAM+0abt2Xsw25EiZl6rgD9G86cRKj274QNi4sMI=; b=IDTKrOfsV6Q1To83yJaIML/3On36JYjUwSrnUeKFsCmIeFID+iZj4uxe2cR7mfOcJt 9Lj3t+Ny7qz18rQJKyBfyoghmbS/tqYTMTeiuQFGX4KS1jrxr0T+setY/Ob7LEDk9cJk ezX71n8HeLjDWCG0Hth1K7JQ5MSarhLjCPWS2zvZgq42ajI/VyqtzGrwv++1T0y8CHNb GXhjb+8viqoCOMo125JxUwH7aTKr46l9UO5EVJB/rkC/bT/png/AsfnSje/RPFjKK0yy YJpJdYu484248SS2sDB40EZL+HJTLnbyH8ncqNRP423LVwb2GKsKZOEkeyZeYFgmXn20 m5zA== X-Forwarded-Encrypted: i=1; AJvYcCUkNXAAU+fYjmz8vWCkTStHxUo4jN5nEkcMvYevfAZjF0RfnRCxZPUB14khrL9nOhYQjBVRhxkt@vger.kernel.org X-Gm-Message-State: AOJu0Yxph6c+7YYOnkwDA0a5wGOWevJVvb1ZYUJDoWBfiH8xn/at06RP T+I23FiL1/6cwAPuOBmy5cVB7ht0knbEC0Sky/Vfpd30DAG4eqzksW1v X-Gm-Gg: ATEYQzypCNqrYFsAM+bEOFDxFMbePrrj28dak5Bl5kdSfmrAgIdPK4/G9ZXRsciazb2 YCRO4GH/5IljdJrQnDndfb51U3wo13ACHSeHFg3P7gZzEf1xK7SS8mhCnZ73c66wG/Ch/CcXKs3 yLsp0HiO5rqnTKVcj5meaXQdlQ79DBpVe7XFldgs2t1c/aSfrLdtaggdHT0AXhG6ARetUqiBTHf wjCn7I4JVyAetiyhBR5wslw/93dsdxcr/v3/pXOZMfW91BK8E8f3Yyv4ufmoIte1OjyGtzxlHkV 2ky343W7PmXlcPZszMLuxKgA2qbrWMs8RwajUmmfKC08CHJoyn7nC9OtV9FCet+7p2SOT9AwMrY KZDYO6/2/NW2Uon+DmiFFynesE+3Mc81rh6QUCIoUdxzjBI4/GE7eqgnMCByggmBfUmcrSkrLAs vUqgMqsmaDoQ8SKJHikk6BMz2XzS/YyBx64EY= X-Received: by 2002:a05:7022:4393:b0:128:d396:f2e2 with SMTP id a92af1059eb24-12ab2857b2emr5938952c88.8.1774870912754; Mon, 30 Mar 2026 04:41:52 -0700 (PDT) Received: from localhost.localdomain ([74.48.213.230]) by smtp.gmail.com with ESMTPSA id a92af1059eb24-12ab97cad88sm7602987c88.1.2026.03.30.04.41.43 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 30 Mar 2026 04:41:51 -0700 (PDT) From: Qiliang Yuan To: tj@kernel.org Cc: longman@redhat.com, cgroups@vger.kernel.org, akpm@linux-foundation.org, anna-maria@linutronix.de, boqun.feng@gmail.com, bsegall@google.com, dietmar.eggemann@arm.com, frederic@kernel.org, hannes@cmpxchg.org, jackmanb@google.com, jiangshanlai@gmail.com, joelagnelf@nvidia.com, josh@joshtriplett.org, juri.lelli@redhat.com, linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, linux-mm@kvack.org, mathieu.desnoyers@efficios.com, mgorman@suse.de, mhocko@suse.com, mingo@kernel.org, mingo@redhat.com, neeraj.upadhyay@kernel.org, paulmck@kernel.org, peterz@infradead.org, qiang.zhang@linux.dev, rcu@vger.kernel.org, realwujing@gmail.com, rostedt@goodmis.org, shuah@kernel.org, surenb@google.com, tglx@kernel.org, urezki@gmail.com, vbabka@suse.cz, vincent.guittot@linaro.org, vschneid@redhat.com, ziy@nvidia.com Subject: Re: [PATCH 00/15] Implementation of Dynamic Housekeeping & Enhanced Isolation (DHEI) Date: Mon, 30 Mar 2026 19:41:21 +0800 Message-ID: <20260330114121.101232-1-realwujing@gmail.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: References: Precedence: bulk X-Mailing-List: cgroups@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Hi Tejun, On Wed, Mar 25, 2026 at 04:02:44PM +0100, Tejun Heo wrote: > This needs to be coordinated with the existing cpuset and isolation > infrastructures. Thank you for pointing this out. I agree that coordination is key to avoid fragmentation of the isolation logic in the kernel. In V13, I will focus on integrating this "Dynamic Housekeeping" logic directly with the cpuset subsystem. The idea is to allow the root cpuset to act as the orchestrator for both task isolation (which it already handles) and kernel overhead isolation (which DHEI enables). > Also, Waiman Long should definitely be in the CC list for this. Acknowledge. I will make sure to CC Waiman and the cgroups mailing list in the next iteration.