Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20;
From:   Liam Howlett <liam.howlett@oracle.com>
To:     "maple-tree@lists.infradead.org" <maple-tree@lists.infradead.org>,
        "linux-mm@kvack.org" <linux-mm@kvack.org>,
        "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
        Andrew Morton <akpm@linux-foundation.org>
CC:     Liam Howlett <liam.howlett@oracle.com>,
        Liam Howlett <liam.howlett@oracle.com>
Subject: [PATCH v13 66/70] riscv: use vma iterator for vdso
Thread-Topic: [PATCH v13 66/70] riscv: use vma iterator for vdso
Thread-Index: AQHYtjjExIWGxKdyRkid9G3IbelM3Q==
Date:   Mon, 22 Aug 2022 15:06:33 +0000
Message-ID: <20220822150128.1562046-67-Liam.Howlett@oracle.com>
References: <20220822150128.1562046-1-Liam.Howlett@oracle.com>
In-Reply-To: <20220822150128.1562046-1-Liam.Howlett@oracle.com>
Accept-Language: en-US
Content-Language: en-US
x-ms-exchange-antispam-messagedata-chunkcount: 1
x-ms-exchange-antispam-messagedata-0: =?iso-8859-1?Q?IXGu0IIcYGDBQPzGXVH/ohAo27M5Bme1t7dZcNZE00fhleo+JLqS6B2o+u?=
 =?iso-8859-1?Q?hRTaQ3glWpfAroNARBb/MI7WVP5eKsR/S593IJglxdpumi1SX3eMR0Y6b3?=
 =?iso-8859-1?Q?F+moBqnJ+m7lZqSJwbP1VnQB9OaWRIlDpv0vxTF9xsAkOGIwFzp1MB/fkx?=
 =?iso-8859-1?Q?hsNeWNn/6fZoeUJgIdwf5Jmbmol6eRPP+bkBZ0AZrx6UdGl/hP2oZrSGbM?=
 =?iso-8859-1?Q?q0/ARIH2jbbW4PUenjzV5gWhdPxny19fj7fJ7f4hRJbfQwuyNMseBPgZgh?=
 =?iso-8859-1?Q?X+i/wR2i4D4B83u8p0ky12jSuMELcRpv4ZgV+hqLcXa8EPlny6nisec+2a?=
 =?iso-8859-1?Q?eBB26wLR7STb0ojjZQUsK93SAWawvCbUXqZdURLGA/d0bv5JJkDowDs7Q+?=
 =?iso-8859-1?Q?9MoLVqn88DkI9ap0zsIm3pYZLz9RU4/1eZcYiJEWiy6fByASXfEf9Aywhr?=
 =?iso-8859-1?Q?1Oj/xm6C/oW5DOC2J6B4JYPIBnixkduQmL4lKDKATUNn+ZzzI27WBnAaE2?=
 =?iso-8859-1?Q?lQt3UdgLDOn3zWz7hxtkA2unYr79nNm1TECyFANLElQWFHkiccXVt0FbFx?=
 =?iso-8859-1?Q?Z7k9Zmy7c0ThpGDYcrh3zjiFNjLdVy7gQhEB4Oy6gU0TAKFlIlBEdYqSXC?=
 =?iso-8859-1?Q?2sU4e4axqBnfW8k6isWW6DlEZjLQ9v+kZUwv9UOgSMtJmdu6NT2uKIHnnX?=
 =?iso-8859-1?Q?JxLMJ8JYenn2z2hVPzjHTZ7wU3UrdnW9rV3XrfKyMzXoO28SSeC4Kww9rl?=
 =?iso-8859-1?Q?JwrTSj7X99sAcQY38LLFvqqGLvINo7JrKmMnl/CUBmB0S0qoGJOXTH8IH+?=
 =?iso-8859-1?Q?N4QJLcdDs5jvkPJ//pQcM7EHJoes1cxYFJ5gZMgvrrA2U+w/6i/1TBRxAN?=
 =?iso-8859-1?Q?K4n3ajlq+yQHz7lsGEQruEzfwQ3OgA44edEtWwFw7tIO8jENk+HfagJN7Q?=
 =?iso-8859-1?Q?IQ1d+bgZ+jgUDXuyVOnJndvB95fgYGKNCCFtx9Km8cojPqMUQsSV/pLNwo?=
 =?iso-8859-1?Q?5kenPYloFfN/xcvaebKwNk9fLwNeZGEdlqDlF9weFSspOq5/l6epkLkLQM?=
 =?iso-8859-1?Q?9fg4Ac0r0sunCNUtTsdZ/DfXnOtQCkn6lZ+CHZLIAYWzAZDhk56PG4E4Nl?=
 =?iso-8859-1?Q?CA2FnuFXu6ELY8waK1B6w1vV6FHwJ+UHd/950e9RtSPjRTDSawYQnPw217?=
 =?iso-8859-1?Q?yMoJPsZn142AyVftz/RO2MllmUekC5sHNHjTFBpZNIjwOUSlRi3isqotFj?=
 =?iso-8859-1?Q?/DevqUyJPCINCEQpCt8AzJlBcbo3XmN9UfGTY/61HstRGapHRyfl7ZdHZV?=
 =?iso-8859-1?Q?W8QFo6ELTDajP7TfqesUSWHXq8di5YqoZvqZlAZKtR710OIUmnsolTRFd6?=
 =?iso-8859-1?Q?AiyU59CF+SSW2KqeUVA/Lz82gESfNNxHebsjUal/PJCEhn6QDs96SjlQSb?=
 =?iso-8859-1?Q?HmqcQEIvHUVCu6z8FP1cJgbyC08RHBDzsiLTl6gmWQ+OwJUi539Swajg7v?=
 =?iso-8859-1?Q?e/+IW5s130j+WjwqlS0cvFokPNXBnSJIiQYJtU6bEIO/mMea8DCENuSpKC?=
 =?iso-8859-1?Q?dfR5HxB9wwSb5gEzmk2/Nk1w68/t+kiHNc7FoN3EKG0dNOX3VKOkWP/FIf?=
 =?iso-8859-1?Q?qcyGHN31ef2jgGppud9lR01cLz3OeZWe3ufgzYNatL2DObjBLuhL9u7A?=
 =?iso-8859-1?Q?=3D=3D?=
Content-Type: text/plain; charset="iso-8859-1"
Content-Transfer-Encoding: quoted-printable
MIME-Version: 1.0
X-OriginatorOrg: oracle.com
X-MS-Exchange-CrossTenant-AuthAs: Internal
X-MS-Exchange-CrossTenant-AuthSource: SN6PR10MB3022.namprd10.prod.outlook.com
X-MS-Exchange-CrossTenant-Network-Message-Id: bb85cc26-9ebe-4922-6266-08da844ffbf5
X-MS-Exchange-CrossTenant-originalarrivaltime: 22 Aug 2022 15:06:33.1440
 (UTC)
X-MS-Exchange-CrossTenant-fromentityheader: Hosted
X-MS-Exchange-CrossTenant-id: 4e2c6054-71cb-48f1-bd6c-3a9705aca71b
X-MS-Exchange-CrossTenant-mailboxtype: HOSTED
X-MS-Exchange-CrossTenant-userprincipalname: ZgoDCgBYY9rbjBS2o86yIxJIfY1CZJCc3L+8/xLADmjKeVLhIzaaqIRKSz01MkUAFS6VWiq/6VmVtfXpPAdEwg==
X-MS-Exchange-Transport-CrossTenantHeadersStamped: SJ0PR10MB4512
X-Proofpoint-Virus-Version: vendor=baseguard
 engine=ICAP:2.0.205,Aquarius:18.0.895,Hydra:6.0.517,FMLib:17.11.122.1
 definitions=2022-08-22_09,2022-08-22_02,2022-06-22_01
X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 mlxscore=0 adultscore=0 bulkscore=0
 mlxlogscore=988 spamscore=0 phishscore=0 suspectscore=0 malwarescore=0
 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2207270000
 definitions=main-2208220065
X-Proofpoint-ORIG-GUID: EAhsP2HFH7rHYJII20OI37FjwnzZhDor
X-Proofpoint-GUID: EAhsP2HFH7rHYJII20OI37FjwnzZhDor
X-Spam-Status: No, score=-2.8 required=5.0 tests=BAYES_00,DKIM_SIGNED,
        DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_LOW,
        RCVD_IN_MSPIKE_H2,SPF_HELO_NONE,SPF_NONE,T_SCC_BODY_TEXT_LINE
        autolearn=ham autolearn_force=no version=3.4.6
X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on
        lindbergh.monkeyblade.net
Precedence: bulk
List-ID: <linux-kernel.vger.kernel.org>
X-Mailing-List: linux-kernel@vger.kernel.org

From: "Liam R. Howlett" <Liam.Howlett@Oracle.com>

Remove the linked list use in favour of the vma iterator.

Signed-off-by: Liam R. Howlett <Liam.Howlett@oracle.com>
---
 arch/riscv/kernel/vdso.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/arch/riscv/kernel/vdso.c b/arch/riscv/kernel/vdso.c
index 69b05b6c181b..692e7ae3dcb8 100644
--- a/arch/riscv/kernel/vdso.c
+++ b/arch/riscv/kernel/vdso.c
@@ -114,11 +114,12 @@ int vdso_join_timens(struct task_struct *task, struct=
 time_namespace *ns)
 {
 	struct mm_struct *mm =3D task->mm;
 	struct vm_area_struct *vma;
+	VMA_ITERATOR(vmi, mm, 0);
 	struct __vdso_info *vdso_info =3D mm->context.vdso_info;
=20
 	mmap_read_lock(mm);
=20
-	for (vma =3D mm->mmap; vma; vma =3D vma->vm_next) {
+	for_each_vma(vmi, vma) {
 		unsigned long size =3D vma->vm_end - vma->vm_start;
=20
 		if (vma_is_special_mapping(vma, vdso_info->dm))
--=20
2.35.1