[PATCH v2 66/70] mm/swapfile: Use maple tree iterator instead of vma linked list

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Signed-off-by: Liam R. Howlett <Liam.Howlett@xxxxxxxxxx>
---
 mm/swapfile.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/mm/swapfile.c b/mm/swapfile.c
index d58361109066d..10e1d60ff6f89 100644
--- a/mm/swapfile.c
+++ b/mm/swapfile.c
@@ -2104,9 +2104,10 @@ static int unuse_mm(struct mm_struct *mm, unsigned int type,
 {
 	struct vm_area_struct *vma;
 	int ret = 0;
+	MA_STATE(mas, &mm->mm_mt, 0, 0);
 
 	mmap_read_lock(mm);
-	for (vma = mm->mmap; vma; vma = vma->vm_next) {
+	mas_for_each(&mas, vma, ULONG_MAX) {
 		if (vma->anon_vma) {
 			ret = unuse_vma(vma, type, frontswap,
 					fs_pages_to_unuse);
-- 
2.28.0





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