From nobody Fri Feb 13 15:06:39 2026 Received: from szxga01-in.huawei.com (szxga01-in.huawei.com [45.249.212.187]) (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 8E80D18044; Sat, 25 May 2024 09:51:30 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=45.249.212.187 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1716630694; cv=none; b=fUQJ450NGbh4Egpt0tBKGcpHJZeEKAFl7VHo3z9CetQHmt2KsEgmy8GVA/BF9hr1674U+po8uOqTrxxCJ7/eJ+LDZY+nlZXyRfXX0H6I2dQe0E1UQ9sjNh/sCVr1tSSDPzZNEb9xoNyjRAhT2kIISoCp+vaHTkOMjGiJ8ALBvWg= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1716630694; c=relaxed/simple; bh=BpZ2WeV7iCiNNoc6LxfcR3UMip0GuuwLZxRLphn+qjM=; h=From:To:CC:Subject:Date:Message-ID:MIME-Version:Content-Type; b=s1nWSwFJgjzI+J7H9eGsu9GBYwAx2SnxNIWOzpNFPlJGIxpPdM4vx/zab1ZlaGAnxaoLd96lCg7x+ZdKIfgzM3iSNOOL4Pwl13mfma+3NFTAaX7JA9H6lXuZc5eZ3qseKER1CO/lCU2w6j5InWqVsKZpVd8OGWPNUN/hMW6BfCk= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=huawei.com; spf=pass smtp.mailfrom=huawei.com; arc=none smtp.client-ip=45.249.212.187 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=huawei.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=huawei.com Received: from mail.maildlp.com (unknown [172.19.163.252]) by szxga01-in.huawei.com (SkyGuard) with ESMTP id 4VmcX9013YzxPtm; Sat, 25 May 2024 17:47:36 +0800 (CST) Received: from dggpeml500023.china.huawei.com (unknown [7.185.36.114]) by mail.maildlp.com (Postfix) with ESMTPS id AAAE8180A9F; Sat, 25 May 2024 17:51:21 +0800 (CST) Received: from hulk-vt.huawei.com (10.67.174.26) by dggpeml500023.china.huawei.com (7.185.36.114) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.1.2507.35; Sat, 25 May 2024 17:51:21 +0800 From: Xiu Jianfeng To: , , , CC: , Subject: [PATCH -next] cgroup/cpuset: Remove unnecessary zeroing Date: Sat, 25 May 2024 09:44:03 +0000 Message-ID: <20240525094403.1584987-1-xiujianfeng@huawei.com> X-Mailer: git-send-email 2.34.1 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-ClientProxiedBy: dggems702-chm.china.huawei.com (10.3.19.179) To dggpeml500023.china.huawei.com (7.185.36.114) Content-Type: text/plain; charset="utf-8" The struct cpuset is kzalloc'd, all the members are zeroed already, so don't need nodes_clear() here. No functional changes intended. Signed-off-by: Xiu Jianfeng --- kernel/cgroup/cpuset.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/kernel/cgroup/cpuset.c b/kernel/cgroup/cpuset.c index c12b9fdb22a4..a553e3d46498 100644 --- a/kernel/cgroup/cpuset.c +++ b/kernel/cgroup/cpuset.c @@ -4009,8 +4009,6 @@ cpuset_css_alloc(struct cgroup_subsys_state *parent_c= ss) } =20 __set_bit(CS_SCHED_LOAD_BALANCE, &cs->flags); - nodes_clear(cs->mems_allowed); - nodes_clear(cs->effective_mems); fmeter_init(&cs->fmeter); cs->relax_domain_level =3D -1; INIT_LIST_HEAD(&cs->remote_sibling); --=20 2.34.1