From nobody Thu Oct 2 13:03:21 2025 Received: from dggsgout11.his.huawei.com (dggsgout11.his.huawei.com [45.249.212.51]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 013E125A343; Wed, 17 Sep 2025 06:20:09 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=45.249.212.51 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1758090011; cv=none; b=eDF/4GTsy6ng7TOw7QbLSE63XcyNV1ng3KLIw9VAtDxx8h6H/dF3vuXji8/2YzXPOSenOJNFPWfuHaFpKMWvh2g/IpzB2a1Ml7ddJf27dYM45alUI3ZAX32l6kC4FjePGYVZ13Yibm09hNEDVI78KPQY18kw79dXkmUpTZsbD1Y= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1758090011; c=relaxed/simple; bh=OZKmL1eUw12hD8SIMOQLiDUo85g6XqRpjY90hHXadlM=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=CR2AfV7A22Ea4nSWW4QCQJdYneEpxTsgDLDjvEHR7ke7aipmUp0td3o8zv1ncTvVslp9UNomKbdP3+wA7EBrcqwgPNv5is7Y9+3vaOU+e/uKG9WwTocuOzZ1/4SyBIYDEpMLlMV45YFKZ0GcceOq8GRGSe2HfLbdqfyx6gcv3cA= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=huaweicloud.com; spf=pass smtp.mailfrom=huaweicloud.com; arc=none smtp.client-ip=45.249.212.51 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=huaweicloud.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=huaweicloud.com Received: from mail.maildlp.com (unknown [172.19.163.235]) by dggsgout11.his.huawei.com (SkyGuard) with ESMTPS id 4cRTCD4dpFzYQvX1; Wed, 17 Sep 2025 14:20:08 +0800 (CST) Received: from mail02.huawei.com (unknown [10.116.40.128]) by mail.maildlp.com (Postfix) with ESMTP id 403581A14A4; Wed, 17 Sep 2025 14:20:07 +0800 (CST) Received: from hulk-vt.huawei.com (unknown [10.67.174.121]) by APP4 (Coremail) with SMTP id gCh0CgCn74sNU8pos3slCw--.39134S4; Wed, 17 Sep 2025 14:20:07 +0800 (CST) From: Chen Ridong To: longman@redhat.com, tj@kernel.org, hannes@cmpxchg.org, mkoutny@suse.com Cc: cgroups@vger.kernel.org, linux-kernel@vger.kernel.org, lujialin4@huawei.com, chenridong@huawei.com Subject: [PATCH -next 02/11] cpuset: remove unused assignment to trialcs->partition_root_state Date: Wed, 17 Sep 2025 06:04:45 +0000 Message-Id: <20250917060454.2885698-3-chenridong@huaweicloud.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20250917060454.2885698-1-chenridong@huaweicloud.com> References: <20250917060454.2885698-1-chenridong@huaweicloud.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-CM-TRANSID: gCh0CgCn74sNU8pos3slCw--.39134S4 X-Coremail-Antispam: 1UD129KBjvJXoW7Ar4xWFW5Xw13tr1xAFyrJFb_yoW8JF47pF WDGa1UGay5Wryjk3yDKrsruryrKa1DXa1Dtwnxt34rGFy7X3W2kFyDZ3sxZw10q39rCF18 XasIvrWS9aySkrDanT9S1TB71UUUUU7qnTZGkaVYY2UrUUUUjbIjqfuFe4nvWSU5nxnvy2 9KBjDU0xBIdaVrnRJUUU9Kb4IE77IF4wAFF20E14v26rWj6s0DM7CY07I20VC2zVCF04k2 6cxKx2IYs7xG6rWj6s0DM7CIcVAFz4kK6r1j6r18M28IrcIa0xkI8VA2jI8067AKxVWUXw A2048vs2IY020Ec7CjxVAFwI0_Gr0_Xr1l8cAvFVAK0II2c7xJM28CjxkF64kEwVA0rcxS w2x7M28EF7xvwVC0I7IYx2IY67AKxVWDJVCq3wA2z4x0Y4vE2Ix0cI8IcVCY1x0267AKxV W8Jr0_Cr1UM28EF7xvwVC2z280aVAFwI0_GcCE3s1l84ACjcxK6I8E87Iv6xkF7I0E14v2 6rxl6s0DM2AIxVAIcxkEcVAq07x20xvEncxIr21l5I8CrVACY4xI64kE6c02F40Ex7xfMc Ij6xIIjxv20xvE14v26r1j6r18McIj6I8E87Iv67AKxVWUJVW8JwAm72CE4IkC6x0Yz7v_ Jr0_Gr1lF7xvr2IYc2Ij64vIr41lc7CjxVAaw2AFwI0_JF0_Jw1l42xK82IYc2Ij64vIr4 1l4I8I3I0E4IkC6x0Yz7v_Jr0_Gr1lx2IqxVAqx4xG67AKxVWUJVWUGwC20s026x8GjcxK 67AKxVWUGVWUWwC2zVAF1VAY17CE14v26r1q6r43MIIYrxkI7VAKI48JMIIF0xvE2Ix0cI 8IcVAFwI0_Jr0_JF4lIxAIcVC0I7IYx2IY6xkF7I0E14v26r4j6F4UMIIF0xvE42xK8VAv wI8IcIk0rVWUJVWUCwCI42IY6I8E87Iv67AKxVWUJVW8JwCI42IY6I8E87Iv6xkF7I0E14 v26r4j6r4UJbIYCTnIWIevJa73UjIFyTuYvjxUcTmhUUUUU X-CM-SenderInfo: hfkh02xlgr0w46kxt4xhlfz01xgou0bp/ Content-Type: text/plain; charset="utf-8" From: Chen Ridong The trialcs->partition_root_state field is not used during the configuration of 'cpuset.cpus' or 'cpuset.cpus.exclusive'. Therefore, the assignment of values to this field can be safely removed. Signed-off-by: Chen Ridong Reviewed-by: Waiman Long --- kernel/cgroup/cpuset.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/kernel/cgroup/cpuset.c b/kernel/cgroup/cpuset.c index 819adf4fd591..5452c3702b80 100644 --- a/kernel/cgroup/cpuset.c +++ b/kernel/cgroup/cpuset.c @@ -2363,7 +2363,6 @@ static int update_cpumask(struct cpuset *cs, struct c= puset *trialcs, * trialcs->effective_xcpus is used as a temporary cpumask * for checking validity of the partition root. */ - trialcs->partition_root_state =3D PRS_MEMBER; if (!cpumask_empty(trialcs->exclusive_cpus) || is_partition_valid(cs)) compute_effective_exclusive_cpumask(trialcs, NULL, cs); } @@ -2497,7 +2496,6 @@ static int update_exclusive_cpumask(struct cpuset *cs= , struct cpuset *trialcs, return 0; =20 if (*buf) { - trialcs->partition_root_state =3D PRS_MEMBER; /* * Reject the change if there is exclusive CPUs conflict with * the siblings. --=20 2.34.1