From nobody Thu Dec 18 23:39:08 2025 Received: from szxga04-in.huawei.com (szxga04-in.huawei.com [45.249.212.190]) (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 316F816133E for ; Thu, 29 Aug 2024 08:44:51 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=45.249.212.190 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1724921093; cv=none; b=XMSTzn9MVz9rNaNr+23UJ4oka1sa2EFWaeKLyeceqyTnj/a3xpuCpZw0Bxn6IRGl9eygF3I3nfJMDSEYnbttWmv3AoYbc++rdym6kgOf1Ch3yTvaENFHUDT7FqLAmLDLMrmDdbByPOppbJu8zyAv1aaA2XjHslJX/r74yozQJ1M= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1724921093; c=relaxed/simple; bh=68BG5uiEx3FsWZGMHxYsCWxXUTRCeyAjNYiFWt8yWjQ=; h=From:To:CC:Subject:Date:Message-ID:MIME-Version:Content-Type; b=bf5ETvsTSRt7rh02wqcgROmPWqizEi2ShQ68WDA7h6lgw9Jju7lOhXWViBVpkd6aPI++QoQJZBU1QjpshGJ1iryFj5Tpqs0RASVo5vHqjJQGjnT6xPW50sVQPBnD5WFAYfQiYWn5ZK5O5Afu5QzPR1D3HzeTVAMlRAUMC1+2qc0= 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=45.249.212.190 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 [172.19.88.234]) by szxga04-in.huawei.com (SkyGuard) with ESMTP id 4WvZb84Gf8z2DbZJ for ; Thu, 29 Aug 2024 16:44:36 +0800 (CST) Received: from kwepemh500013.china.huawei.com (unknown [7.202.181.146]) by mail.maildlp.com (Postfix) with ESMTPS id 193C81400FD for ; Thu, 29 Aug 2024 16:44:49 +0800 (CST) Received: from huawei.com (10.90.53.73) by kwepemh500013.china.huawei.com (7.202.181.146) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.11; Thu, 29 Aug 2024 16:44:48 +0800 From: Jinjie Ruan To: CC: Subject: [PATCH -next] uts: Use KMEM_CACHE_USERCOPY() helper Date: Thu, 29 Aug 2024 16:52:52 +0800 Message-ID: <20240829085252.156864-1-ruanjinjie@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 kwepemh500013.china.huawei.com (7.202.181.146) Content-Type: text/plain; charset="utf-8" Use KMEM_CACHE_USERCOPY() macro to simplify code. Signed-off-by: Jinjie Ruan --- kernel/utsname.c | 7 +------ 1 file changed, 1 insertion(+), 6 deletions(-) diff --git a/kernel/utsname.c b/kernel/utsname.c index b1ac3ca870f2..b9917ea6142d 100644 --- a/kernel/utsname.c +++ b/kernel/utsname.c @@ -168,10 +168,5 @@ const struct proc_ns_operations utsns_operations =3D { =20 void __init uts_ns_init(void) { - uts_ns_cache =3D kmem_cache_create_usercopy( - "uts_namespace", sizeof(struct uts_namespace), 0, - SLAB_PANIC|SLAB_ACCOUNT, - offsetof(struct uts_namespace, name), - sizeof_field(struct uts_namespace, name), - NULL); + uts_ns_cache =3D KMEM_CACHE_USERCOPY(uts_namespace, SLAB_PANIC | SLAB_ACC= OUNT, name); } --=20 2.34.1