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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: f6ce1d7e-cb85-4d58-8347-08d9f09194c2 X-MS-Exchange-CrossTenant-originalarrivaltime: 15 Feb 2022 14:43:14.4328 (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: FM3973+1ibw2KWgJLtO1h2tr5wTQVUUctitNddohjr+x4sHj4kp9ol/ENGj6L2UFwe/SNfvNl5KC0mQy7Zltxw== X-MS-Exchange-Transport-CrossTenantHeadersStamped: PH0PR10MB5578 X-Proofpoint-Virus-Version: vendor=nai engine=6300 definitions=10258 signatures=673431 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 suspectscore=0 phishscore=0 bulkscore=0 malwarescore=0 adultscore=0 spamscore=0 mlxlogscore=999 mlxscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2201110000 definitions=main-2202150085 X-Proofpoint-GUID: 5n5fbcpxizQjhqmNpg931UCxC9NvNQ4u X-Proofpoint-ORIG-GUID: 5n5fbcpxizQjhqmNpg931UCxC9NvNQ4u Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: "Liam R. Howlett" do_brk_munmap() has already aligned the address and has a maple tree state to be used. Use the new do_mas_align_munmap() to avoid unnecessary alignment and error checks. Signed-off-by: Liam R. Howlett --- mm/mmap.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/mm/mmap.c b/mm/mmap.c index e321ad27baf1..ae2b67296a06 100644 --- a/mm/mmap.c +++ b/mm/mmap.c @@ -2975,14 +2975,15 @@ static int do_brk_munmap(struct ma_state *mas, stru= ct vm_area_struct *vma, struct mm_struct *mm =3D vma->vm_mm; struct vm_area_struct unmap; unsigned long unmap_pages; - int ret =3D 1; + int ret; =20 arch_unmap(mm, newbrk, oldbrk); =20 if (likely((vma->vm_end < oldbrk) || ((vma->vm_start =3D=3D newbrk) && (vma->vm_end =3D=3D oldbrk)))) { /* remove entire mapping(s) */ - ret =3D do_mas_munmap(mas, mm, newbrk, oldbrk-newbrk, uf, true); + ret =3D do_mas_align_munmap(mas, vma, mm, newbrk, oldbrk, uf, + true); goto munmap_full_vma; } =20 --=20 2.34.1