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>,
        Yu Zhao <yuzhao@google.com>, Hugh Dickins <hughd@google.com>
Subject: [PATCH v11 54/69] mm/madvise: use vma_find() instead of vma linked
 list
Thread-Topic: [PATCH v11 54/69] mm/madvise: use vma_find() instead of vma
 linked list
Thread-Index: AQHYmYd5ocmNdLRE8EmCXvUApcSqSw==
Date:   Sun, 17 Jul 2022 02:46:54 +0000
Message-ID: <20220717024615.2106835-55-Liam.Howlett@oracle.com>
References: <20220717024615.2106835-1-Liam.Howlett@oracle.com>
In-Reply-To: <20220717024615.2106835-1-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?G1OJpps5ymDtY4fpuGYh4sPLn0Te6qeHk7So1B2rI1pyTy0L2oHG/wWtBn?=
 =?iso-8859-1?Q?04f4VllaUV9X+vdi1cLfO3GfSBXoCBK567lJA7bXix9huKtKyYdaBUDPxB?=
 =?iso-8859-1?Q?Zmhibv9ttIYz9nLV9sjShmCxrRDcWiEj5+YIznuh1/LYqNSu096rfuQoUK?=
 =?iso-8859-1?Q?4o+vLPD42lJO9alECO7GPZR9S63W4tuRshoamNai/lnV1CLnu4dmgFgXPV?=
 =?iso-8859-1?Q?eVsZShWUHmCf4Iscwa7Y9FHAqsk9BhNIIrSBszNxmIqBEUYHRP1A18rD+q?=
 =?iso-8859-1?Q?gQWD2WRINu0NeXbIuQal8axJWfYP4gWjBePeMcl/5W9nx4rxoPbQY885uL?=
 =?iso-8859-1?Q?BFkRbbWz/Gk2rYH+LD+5MfDZeJ8MRbdXN5ZJHruOqrD2s/OE/PLdw3T7im?=
 =?iso-8859-1?Q?u6Ic1gG6kv7QoFo1pLIJrvJK3xe+CQHea7paWQ07UGFlK4qz9WEHkyS72g?=
 =?iso-8859-1?Q?5JDSQnipQQsumIfJrktgWD0bkm5FEmMTqpNAb7dFC7SE18xM5KIvxsw9kq?=
 =?iso-8859-1?Q?Ss6itkZhooCosM4EYSdFKCPh6cdNt7gBf6w4y2L9Bcm5aPNHLq7QBuP8oN?=
 =?iso-8859-1?Q?0ROOA8FAOYssz5CCxxp1b001yWfnhAGmUG9u8XdpuBcEicD7VrCnOa8x7R?=
 =?iso-8859-1?Q?5xItR6pBBJPUwJtENWoXr6hmWzmB9Usw5G27ZwNi4DaAES9PXJuSDdjzm1?=
 =?iso-8859-1?Q?73DCjF54A9wpq2iEmaSMw74JNqdLp+aG5wICeVlXSLivqlNNL8A06Ueu1e?=
 =?iso-8859-1?Q?hlcvmpeoWUMXTHJajbJVx1gdea5VMIjQSa/tp5a1pUxsSU5Jj28XM3KFvp?=
 =?iso-8859-1?Q?xBY397T2duqYCRjRSbVpqaHQ4dOZW+r9slbabcPiaf30+TTpAQyYF2EtCo?=
 =?iso-8859-1?Q?7r77ogWsMB4uX05MQPQph1bQX30yKGsquHHsnMYPuNT1GODnhWJTswvKFP?=
 =?iso-8859-1?Q?fTqTh5y7jYfkNlkBcbwakynUF8MQ1iEHGWwr/hBjSApzebq1LgkJoOkCAP?=
 =?iso-8859-1?Q?3cguMBhGJ97Sp++2GYX1DDUJWhEl+00qEtqRtTK4stZL0yUqFSaoJoPW0J?=
 =?iso-8859-1?Q?mpwb8jaX3YejDhq6Q2MUldnlHKpH9yvss24GNcaLYaQIaQ8+Vo2Q7r9+mn?=
 =?iso-8859-1?Q?bhxQ8pr3JRkrA6BlZRW9npQNtyRm7oDKERlNLulQz2XWz23EqUNH2YQGfO?=
 =?iso-8859-1?Q?whjPCGFHKaLAkPkWTgjeJ3iy/XaL01aL8ToAHYk2yKCRhxSasp9eF+CQ/5?=
 =?iso-8859-1?Q?BtghdBwQ0WPfWietZhRa9Yy8GJh3k86atlNnsxacveDvDj5gbh7PJtKSdR?=
 =?iso-8859-1?Q?hV4nUNCw4uOc6s6S7Tb0Xej5zhz53KHI/oSKfIDIgMxGyEvZ/hgpdDAoQp?=
 =?iso-8859-1?Q?NWYF2IbXAOcRQjt16kDKCiCOgo0K3LumkFhHdtj3eOcRiZsfb3m5bI+jt9?=
 =?iso-8859-1?Q?hdYDcQscLIldR1Rr/4XrBQklTo8VlCmqV2wIYOASGww74Ufp15v5ErJ11Q?=
 =?iso-8859-1?Q?oOJpWpuucxTDuly4TiioZt8HHwF6RYdSiI53c0bgbkgkkfH9RGRHP+MMXq?=
 =?iso-8859-1?Q?bCdD9mIAedHEueC6xvYF4Ym45f84GfVQJ5OphqQhG2LdI5BP0hjlu36uyn?=
 =?iso-8859-1?Q?aQ7QCDE75pUCWu7jxdZP9028rkkvmTy7udab1ETAot6dr9Kzv4cGCuTg?=
 =?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: a3e416c3-1dcb-4b41-0047-08da679eb23e
X-MS-Exchange-CrossTenant-originalarrivaltime: 17 Jul 2022 02:46:54.8647
 (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: qIrtDckJ7/vEaK0wXuX6KDqcMf6/N8jUHIn0k4nMtF85Q+tMXTlRZCWrfvO3kfiAubqzSthINgQL4kLo0pK5Mw==
X-MS-Exchange-Transport-CrossTenantHeadersStamped: PH0PR10MB4504
X-Proofpoint-Virus-Version: vendor=baseguard
 engine=ICAP:2.0.205,Aquarius:18.0.883,Hydra:6.0.517,FMLib:17.11.122.1
 definitions=2022-07-17_01,2022-07-15_01,2022-06-22_01
X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 bulkscore=0 mlxscore=0 mlxlogscore=999
 suspectscore=0 phishscore=0 adultscore=0 spamscore=0 malwarescore=0
 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2206140000
 definitions=main-2207170010
X-Proofpoint-ORIG-GUID: l13x2_-VzFnBT8IiUmaVENJh7faCbieN
X-Proofpoint-GUID: l13x2_-VzFnBT8IiUmaVENJh7faCbieN
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 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>

madvise_walk_vmas() no longer uses linked list.

Link: https://lkml.kernel.org/r/20220504011345.662299-39-Liam.Howlett@oracl=
e.com
Link: https://lkml.kernel.org/r/20220621204632.3370049-55-Liam.Howlett@orac=
le.com
Signed-off-by: Liam R. Howlett <Liam.Howlett@Oracle.com>
Acked-by: Vlastimil Babka <vbabka@suse.cz>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: David Howells <dhowells@redhat.com>
Cc: "Matthew Wilcox (Oracle)" <willy@infradead.org>
Cc: SeongJae Park <sj@kernel.org>
Cc: Will Deacon <will@kernel.org>
Cc: Davidlohr Bueso <dave@stgolabs.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
 mm/madvise.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mm/madvise.c b/mm/madvise.c
index 0316bbc6441b..12e8010c766c 100644
--- a/mm/madvise.c
+++ b/mm/madvise.c
@@ -1238,7 +1238,7 @@ int madvise_walk_vmas(struct mm_struct *mm, unsigned =
long start,
 		if (start >=3D end)
 			break;
 		if (prev)
-			vma =3D prev->vm_next;
+			vma =3D find_vma(mm, prev->vm_end);
 		else	/* madvise_remove dropped mmap_lock */
 			vma =3D find_vma(mm, start);
 	}
--=20
2.35.1