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From:   Liam Howlett <liam.howlett@oracle.com>
To:     "maple-tree@lists.infradead.org" <maple-tree@lists.infradead.org>,
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CC:     Yu Zhao <yuzhao@google.com>
Subject: [PATCH v12 54/69] mm/madvise: use vma_find() instead of vma linked
 list
Thread-Topic: [PATCH v12 54/69] mm/madvise: use vma_find() instead of vma
 linked list
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Date:   Wed, 20 Jul 2022 02:18:00 +0000
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From: "Liam R. Howlett" <Liam.Howlett@Oracle.com>

madvise_walk_vmas() no longer uses linked list.

Link: https://lkml.kernel.org/r/20220504011345.662299-39-Liam.Howlett@oracl=
e.com
Link: https://lkml.kernel.org/r/20220621204632.3370049-55-Liam.Howlett@orac=
le.com
Signed-off-by: Liam R. Howlett <Liam.Howlett@Oracle.com>
Acked-by: Vlastimil Babka <vbabka@suse.cz>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: David Howells <dhowells@redhat.com>
Cc: "Matthew Wilcox (Oracle)" <willy@infradead.org>
Cc: SeongJae Park <sj@kernel.org>
Cc: Will Deacon <will@kernel.org>
Cc: Davidlohr Bueso <dave@stgolabs.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
 mm/madvise.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mm/madvise.c b/mm/madvise.c
index 0316bbc6441b..12e8010c766c 100644
--- a/mm/madvise.c
+++ b/mm/madvise.c
@@ -1238,7 +1238,7 @@ int madvise_walk_vmas(struct mm_struct *mm, unsigned =
long start,
 		if (start >=3D end)
 			break;
 		if (prev)
-			vma =3D prev->vm_next;
+			vma =3D find_vma(mm, prev->vm_end);
 		else	/* madvise_remove dropped mmap_lock */
 			vma =3D find_vma(mm, start);
 	}
--=20
2.35.1