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[141.239.159.203]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-2c1a77af9b0sm8908912a91.45.2024.06.03.12.48.02 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 03 Jun 2024 12:48:03 -0700 (PDT) Sender: Tejun Heo Date: Mon, 3 Jun 2024 09:48:01 -1000 From: Tejun Heo To: Waiman Long Cc: Zefan Li , Johannes Weiner , cgroups@vger.kernel.org, linux-kernel@vger.kernel.org, Xavier Subject: Re: [PATCH-cgroup] cgroup/cpuset: Optimize isolated partition only generate_sched_domains() calls Message-ID: References: <20240603193822.1209999-1-longman@redhat.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20240603193822.1209999-1-longman@redhat.com> On Mon, Jun 03, 2024 at 03:38:22PM -0400, Waiman Long wrote: > If only isolated partitions are being created underneath the cgroup root, > there will only be one sched domain with top_cpuset.effective_cpus. We can > skip the unnecessary sched domains scanning code and save some cycles. > > Signed-off-by: Waiman Long Applied to cgroup/for-6.11. Thanks. -- tejun