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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>
CC:     Liam Howlett <liam.howlett@oracle.com>,
        Vlastimil Babka <vbabka@suse.cz>
Subject: [PATCH v13 63/70] mm/swapfile: use vma iterator instead of vma linked
 list
Thread-Topic: [PATCH v13 63/70] mm/swapfile: use vma iterator instead of vma
 linked list
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Date:   Mon, 22 Aug 2022 15:06:32 +0000
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From: "Liam R. Howlett" <Liam.Howlett@Oracle.com>

unuse_mm() no longer needs to reference the linked list.

Signed-off-by: Liam R. Howlett <Liam.Howlett@Oracle.com>
Acked-by: Vlastimil Babka <vbabka@suse.cz>
---
 mm/swapfile.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/mm/swapfile.c b/mm/swapfile.c
index 263b19e693cf..469d9af86be2 100644
--- a/mm/swapfile.c
+++ b/mm/swapfile.c
@@ -1994,14 +1994,16 @@ static int unuse_mm(struct mm_struct *mm, unsigned =
int type)
 {
 	struct vm_area_struct *vma;
 	int ret =3D 0;
+	VMA_ITERATOR(vmi, mm, 0);
=20
 	mmap_read_lock(mm);
-	for (vma =3D mm->mmap; vma; vma =3D vma->vm_next) {
+	for_each_vma(vmi, vma) {
 		if (vma->anon_vma) {
 			ret =3D unuse_vma(vma, type);
 			if (ret)
 				break;
 		}
+
 		cond_resched();
 	}
 	mmap_read_unlock(mm);
--=20
2.35.1