linux-kernel - [PATCH v3 61/66] damon: Change vma iterator to mas_for

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Date:   Tue, 5 Oct 2021 01:31:13 +0000
From:   Liam Howlett <liam.howlett@...cle.com>
To:     "maple-tree@...ts.infradead.org" <maple-tree@...ts.infradead.org>,
        "linux-mm@...ck.org" <linux-mm@...ck.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        David Hildenbrand <david@...hat.com>,
        Douglas Gilbert <dgilbert@...erlog.com>
CC:     Song Liu <songliubraving@...com>,
        Davidlohr Bueso <dave@...olabs.net>,
        "Paul E . McKenney" <paulmck@...nel.org>,
        Matthew Wilcox <willy@...radead.org>,
        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 v3 61/66] damon: Change vma iterator to mas_for_each

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

diff --git a/mm/damon/vaddr.c b/mm/damon/vaddr.c
index 58c1fb2aafa9..e3b5b5a7948f 100644
--- a/mm/damon/vaddr.c
+++ b/mm/damon/vaddr.c
@@ -132,9 +132,10 @@ static int __damon_va_three_regions(struct vm_area_struct *vma,
 	struct vm_area_struct *last_vma = NULL;
 	unsigned long start = 0;
 	struct rb_root rbroot;
+	MA_STATE(mas, mm->mm_mt, vma->vm_start, vma->vm_start);
 
 	/* Find two biggest gaps so that first_gap > second_gap > others */
-	for (; vma; vma = vma->vm_next) {
+	mas_for_each(&mas, vma, ULONG_MAX) {
 		if (!last_vma) {
 			start = vma->vm_start;
 			goto next;
-- 
2.30.2