[PATCH v5 62/70] mm/oom_kill: Use maple tree iterators instead of vma linked list

From: Liam Howlett
Date: Tue Feb 01 2022 - 21:46:48 EST


From: "Liam R. Howlett" <Liam.Howlett@xxxxxxxxxx>

Signed-off-by: Liam R. Howlett <Liam.Howlett@xxxxxxxxxx>
Acked-by: Vlastimil Babka <vbabka@xxxxxxx>
---
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 832fb330376e..9cbc05fa356c 100644
--- a/mm/oom_kill.c
+++ b/mm/oom_kill.c
@@ -516,6 +516,7 @@ bool __oom_reap_task_mm(struct mm_struct *mm)
{
struct vm_area_struct *vma;
bool ret = true;
+ VMA_ITERATOR(vmi, mm, 0);

/*
* Tell all users of get_user/copy_from_user etc... that the content
@@ -525,7 +526,7 @@ bool __oom_reap_task_mm(struct mm_struct *mm)
*/
set_bit(MMF_UNSTABLE, &mm->flags);

- for (vma = mm->mmap ; vma; vma = vma->vm_next) {
+ for_each_vma(vmi, vma) {
if (!can_madv_lru_vma(vma))
continue;

--
2.34.1