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[2603:800c:1a02:1bae:e24f:43ff:fee6:449f]) by smtp.gmail.com with ESMTPSA id jz24sm136447pjb.9.2021.08.11.11.21.11 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 11 Aug 2021 11:21:12 -0700 (PDT) Sender: Tejun Heo Date: Wed, 11 Aug 2021 08:21:10 -1000 From: Tejun Heo To: Waiman Long Cc: Zefan Li , Johannes Weiner , Jonathan Corbet , Shuah Khan , cgroups@vger.kernel.org, linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org, linux-kselftest@vger.kernel.org, Andrew Morton , Roman Gushchin , Phil Auld , Peter Zijlstra , Juri Lelli , Frederic Weisbecker , Marcelo Tosatti , Michal =?iso-8859-1?Q?Koutn=FD?= Subject: Re: [PATCH v4 4/6] cgroup/cpuset: Allow non-top parent partition root to distribute out all CPUs Message-ID: References: <20210811030607.13824-1-longman@redhat.com> <20210811030607.13824-5-longman@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Aug 11, 2021 at 02:18:17PM -0400, Waiman Long wrote: > I don't think that is true. A task can reside anywhere in the cgroup > hierarchy. I have encountered no problem moving tasks around. Oh, that shouldn't be happening with controllers enabled. Can you please share a repro? Thanks. -- tejun