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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 62/69] mm/pagewalk: use vma_find() instead of vma linked
 list
Thread-Topic: [PATCH v12 62/69] mm/pagewalk: use vma_find() instead of vma
 linked list
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Date:   Wed, 20 Jul 2022 02:18:02 +0000
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From: "Matthew Wilcox (Oracle)" <willy@infradead.org>

walk_page_range() no longer uses the one vma linked list reference.

Link: https://lkml.kernel.org/r/20220504011345.662299-47-Liam.Howlett@oracl=
e.com
Link: https://lkml.kernel.org/r/20220621204632.3370049-63-Liam.Howlett@orac=
le.com
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
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: 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/pagewalk.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mm/pagewalk.c b/mm/pagewalk.c
index 9b3db11a4d1d..53e5c145fcce 100644
--- a/mm/pagewalk.c
+++ b/mm/pagewalk.c
@@ -456,7 +456,7 @@ int walk_page_range(struct mm_struct *mm, unsigned long=
 start,
 		} else { /* inside vma */
 			walk.vma =3D vma;
 			next =3D min(end, vma->vm_end);
-			vma =3D vma->vm_next;
+			vma =3D find_vma(mm, vma->vm_end);
=20
 			err =3D walk_page_test(start, next, &walk);
 			if (err > 0) {
--=20
2.35.1