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Message-Id: <20210112161240.2024684-65-Liam.Howlett@Oracle.com>
Date: Tue, 12 Jan 2021 11:12:34 -0500
From: "Liam R. Howlett" <Liam.Howlett@...cle.com>
To: maple-tree@...ts.infradead.org, linux-mm@...ck.org,
linux-kernel@...r.kernel.org
Cc: Andrew Morton <akpm@...gle.com>, Song Liu <songliubraving@...com>,
Davidlohr Bueso <dave@...olabs.net>,
"Paul E . McKenney" <paulmck@...nel.org>,
Matthew Wilcox <willy@...radead.org>,
Jerome Glisse <jglisse@...hat.com>,
David Rientjes <rientjes@...gle.com>,
Axel Rasmussen <axelrasmussen@...gle.com>,
Suren Baghdasaryan <surenb@...gle.com>,
Vlastimil Babka <vbabka@...e.cz>,
Rik van Riel <riel@...riel.com>,
Peter Zijlstra <peterz@...radead.org>
Subject: [PATCH v2 64/70] mm/oom_kill: Use maple tree iterators instead of vma linked list
Signed-off-by: Liam R. Howlett <Liam.Howlett@...cle.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
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