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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 From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tejun Heo Subject: Re: [PATCH v4 4/6] cgroup/cpuset: Allow non-top parent partition root to distribute out all CPUs Date: Wed, 11 Aug 2021 08:21:10 -1000 Message-ID: References: <20210811030607.13824-1-longman@redhat.com> <20210811030607.13824-5-longman@redhat.com> Mime-Version: 1.0 Return-path: DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=sender:date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to; bh=HFDIoz8d7Mv9aa4YQB/vncboqcxrcGkzaCeqrt8Oa/c=; b=MS7b9dsp8zC6Ryob8fxICyK6KkSDR+X5AMd+2XpfBHkmhREj5PIpVfoOXNQiS4reRj 0cTMvejH51bHkLHR2I8NMuhzRvYSqx3rZetceDQt90jdntsqtNvYKw2AmX3mJgVQVTVp z2mDnMbvykTMuDXEtX+r9TIEw51KrQ2r1vdwmV8+SGxf9f1Lvcxta/iq7gfj37x0svwl e4vZXTh5smg5nlsx1T8arrxCQbPfHtyfrGukGc8+cIZTm+WPKpAG1Nw5IWf0N1sAgXuk 2ZZVKz5kEiCe86Ao+nx5cQxTIaWVAkGi8sLj53ubKE+jzK7VdMsym7KQZxTtLZ/Smn+a +HbA== Sender: Tejun Heo Content-Disposition: inline In-Reply-To: List-ID: Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: Waiman Long Cc: Zefan Li , Johannes Weiner , Jonathan Corbet , Shuah Khan , cgroups-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-doc-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-kselftest-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Andrew Morton , Roman Gushchin , Phil Auld , Peter Zijlstra , Juri Lelli , Frederic Weisbecker , Marcelo Tosatti , Michal =?iso-8859-1?Q?Koutn=FD?= 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