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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>,
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        Andrew Morton <akpm@linux-foundation.org>
Subject: [PATCH v5 31/70] arm64: Remove mmap linked list from vdso
Thread-Topic: [PATCH v5 31/70] arm64: Remove mmap linked list from vdso
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Date:   Wed, 2 Feb 2022 02:42:11 +0000
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From: "Liam R. Howlett" <Liam.Howlett@Oracle.com>

Use the VMA iterator instead.

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Signed-off-by: Liam R. Howlett <Liam.Howlett@Oracle.com>
Acked-by: Vlastimil Babka <vbabka@suse.cz>
---
 arch/arm64/kernel/vdso.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/arch/arm64/kernel/vdso.c b/arch/arm64/kernel/vdso.c
index a61fc4f989b3..a8388af62b99 100644
--- a/arch/arm64/kernel/vdso.c
+++ b/arch/arm64/kernel/vdso.c
@@ -136,10 +136,11 @@ 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);
=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[VDSO_ABI_AA64].dm))
--=20
2.34.1