[PATCH v14 61/70] mm/oom_kill: use vma iterators instead of vma linked list

From: Liam Howlett
Date: Tue Sep 06 2022 - 15:54:48 EST


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

Use vma iterator in preparation of removing the linked list.

Signed-off-by: Liam R. Howlett <Liam.Howlett@xxxxxxxxxx>
Acked-by: Vlastimil Babka <vbabka@xxxxxxx>
Reviewed-by: Davidlohr Bueso <dave@xxxxxxxxxxxx>
---
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 c08cffbca0d9..6811aa48a98c 100644
--- a/mm/oom_kill.c
+++ b/mm/oom_kill.c
@@ -513,6 +513,7 @@ 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
@@ -522,7 +523,7 @@ 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 (vma->vm_flags & (VM_HUGETLB|VM_PFNMAP))
continue;

--
2.35.1