[PATCH v2 64/70] mm/oom_kill: Use maple tree iterators instead of vma linked list

[Liam R. Howlett]

Signed-off-by: Liam R. Howlett <Liam.Howlett at Oracle.com>
---
 mm/oom_kill.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/mm/oom_kill.c b/mm/oom_kill.c
index 8b84661a64109..a5e2045ec2763 100644
--- a/mm/oom_kill.c
+++ b/mm/oom_kill.c
@@ -514,6 +514,7 @@ bool __oom_reap_task_mm(struct mm_struct *mm)
 {
 	struct vm_area_struct *vma;
 	bool ret = true;
+	MA_STATE(mas, &mm->mm_mt, 0, 0);
 
 	/*
 	 * Tell all users of get_user/copy_from_user etc... that the content
@@ -523,7 +524,7 @@ bool __oom_reap_task_mm(struct mm_struct *mm)
 	 */
 	set_bit(MMF_UNSTABLE, &mm->flags);
 
-	for (vma = mm->mmap ; vma; vma = vma->vm_next) {
+	mas_for_each(&mas, vma, ULONG_MAX) {
 		if (!can_madv_lru_vma(vma))
 			continue;
 
-- 
2.28.0