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McKenney" , Matthew Wilcox , David Rientjes , Axel Rasmussen , Suren Baghdasaryan , Vlastimil Babka , Rik van Riel , Peter Zijlstra Subject: [PATCH v3 63/66] s390: Use the maple tree iterator for vdso Thread-Topic: [PATCH v3 63/66] s390: Use the maple tree iterator for vdso Thread-Index: AQHXuYivwAYb+k6u/0auHS7iYjc0tw== Date: Tue, 5 Oct 2021 01:31:14 +0000 Message-ID: <20211005012959.1110504-64-Liam.Howlett@oracle.com> References: <20211005012959.1110504-1-Liam.Howlett@oracle.com> In-Reply-To: <20211005012959.1110504-1-Liam.Howlett@oracle.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-mailer: git-send-email 2.30.2 authentication-results: lists.infradead.org; dkim=none (message not signed) header.d=none;lists.infradead.org; dmarc=none action=none header.from=oracle.com; x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: 5f17f406-99b1-4c69-0daf-08d9879fec11 x-ms-traffictypediagnostic: MN2PR10MB4288: x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: OLM:2958; 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Signed-off-by: Liam R. Howlett --- arch/s390/kernel/vdso.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/arch/s390/kernel/vdso.c b/arch/s390/kernel/vdso.c index 99694260cac9..26be77ed45c6 100644 --- a/arch/s390/kernel/vdso.c +++ b/arch/s390/kernel/vdso.c @@ -68,10 +68,11 @@ static struct page *find_timens_vvar_page(struct vm_are= a_struct *vma) int vdso_join_timens(struct task_struct *task, struct time_namespace *ns) { struct mm_struct *mm =3D task->mm; + MA_STATE(mas, &mm->mm_mt, 0, 0); struct vm_area_struct *vma; =20 mmap_read_lock(mm); - for (vma =3D mm->mmap; vma; vma =3D vma->vm_next) { + mas_for_each(&mas, vma, ULONG_MAX) { unsigned long size =3D vma->vm_end - vma->vm_start; =20 if (!vma_is_special_mapping(vma, &vvar_mapping)) --=20 2.30.2