linux-kernel - [PATCH v2 48/70] kernel/events/core: Use maple tree iterators instead of linked list

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Date:   Tue, 12 Jan 2021 11:12:18 -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 48/70] kernel/events/core: Use maple tree iterators instead of linked list

Signed-off-by: Liam R. Howlett <Liam.Howlett@...cle.com>
---
 kernel/events/core.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/kernel/events/core.c b/kernel/events/core.c
index dc568ca295bdc..767bec30c395f 100644
--- a/kernel/events/core.c
+++ b/kernel/events/core.c
@@ -9888,8 +9888,9 @@ static void perf_addr_filter_apply(struct perf_addr_filter *filter,
 				   struct perf_addr_filter_range *fr)
 {
 	struct vm_area_struct *vma;
+	MA_STATE(mas, &mm->mm_mt, 0, 0);
 
-	for (vma = mm->mmap; vma; vma = vma->vm_next) {
+	mas_for_each(&mas, vma, ULONG_MAX) {
 		if (!vma->vm_file)
 			continue;
 
-- 
2.28.0