From: Liam R. Howlett <Liam.Howlett@oracle.com>
Date: Thu, 2 Sep 2021 17:45:06 +0000 (-0400)
Subject: damon: Change vma iterator to mas_for_each
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=74a8524cebc70609a44eb916fb2c292cef5ebabf;p=users%2Fjedix%2Flinux-maple.git

damon: Change vma iterator to mas_for_each

Signed-off-by: Liam R. Howlett <Liam.Howlett@oracle.com>
---

diff --git a/mm/damon/vaddr.c b/mm/damon/vaddr.c
index 230db7413278..0a69be31221d 100644
--- a/mm/damon/vaddr.c
+++ b/mm/damon/vaddr.c
@@ -130,9 +130,10 @@ static int __damon_va_three_regions(struct vm_area_struct *vma,
 	struct vm_area_struct *last_vma = NULL;
 	unsigned long start = 0;
 	struct rb_root rbroot;
+	MA_STATE(mas, mm->mm_mt, vma->vm_start, vma->vm_start);
 
 	/* Find two biggest gaps so that first_gap > second_gap > others */
-	for (; vma; vma = vma->vm_next) {
+	mas_for_each(&mas, vma, ULONG_MAX) {
 		if (!last_vma) {
 			start = vma->vm_start;
 			goto next;