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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: 3292ff76-80ed-467c-a4c1-08da844fb6e0 X-MS-Exchange-CrossTenant-originalarrivaltime: 22 Aug 2022 15:05:13.1336 (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: m/ZbbkNP4o/V27m2nJd4fYOwHI1xsNlmeUrQKOCrFfpGFkvq94FbxLP8oLNnm/w4RLuDbgU7JqN1TGdkshp6Ew== X-MS-Exchange-Transport-CrossTenantHeadersStamped: CH0PR10MB5260 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 suspectscore=0 malwarescore=0 spamscore=0 mlxlogscore=999 phishscore=0 bulkscore=0 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2207270000 definitions=main-2208220065 X-Proofpoint-ORIG-GUID: Gso8Ok9dLY2PvbNJoeCnkQVZHO2U9R1i X-Proofpoint-GUID: Gso8Ok9dLY2PvbNJoeCnkQVZHO2U9R1i Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: "Liam R. Howlett" Unlike the rbtree, the Maple Tree will return a NULL if there's nothing at a particular address. Since the previous commit dropped the vmacache, it is now possible to consult the tree directly. Signed-off-by: Liam R. Howlett Signed-off-by: Matthew Wilcox (Oracle) Acked-by: Vlastimil Babka --- include/linux/mm.h | 7 +------ 1 file changed, 1 insertion(+), 6 deletions(-) diff --git a/include/linux/mm.h b/include/linux/mm.h index 88e89f38825e..bc6b7ecf93bd 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -2787,12 +2787,7 @@ struct vm_area_struct *find_vma_intersection(struct = mm_struct *mm, static inline struct vm_area_struct *vma_lookup(struct mm_struct *mm, unsigned long addr= ) { - struct vm_area_struct *vma =3D find_vma(mm, addr); - - if (vma && addr < vma->vm_start) - vma =3D NULL; - - return vma; + return mtree_load(&mm->mm_mt, addr); } =20 static inline unsigned long vm_start_gap(struct vm_area_struct *vma) --=20 2.35.1