From 25792a211baa89ff0e31f1a1d963281dd92a6d04 Mon Sep 17 00:00:00 2001
From: "Liam R. Howlett" <Liam.Howlett@Oracle.com>
Date: Wed, 20 Jul 2022 02:18:02 +0000
Subject: [PATCH] mm/msync: use vma_find() instead of vma linked list

Link: https://lkml.kernel.org/r/20220504011345.662299-45-Liam.Howlett@oracle.com
Link: https://lkml.kernel.org/r/20220621204632.3370049-61-Liam.Howlett@oracle.com
Link: https://lkml.kernel.org/r/20220720021727.17018-61-Liam.Howlett@oracle.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>
Cc: David Hildenbrand <david@redhat.com>
Cc: Hulk Robot <hulkci@huawei.com>
Cc: Lukas Bulwahn <lukas.bulwahn@gmail.com>
Cc: Sven Schnelle <svens@linux.ibm.com>
Cc: Yang Yingliang <yangyingliang@huawei.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
 mm/msync.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mm/msync.c b/mm/msync.c
index 137d1c104f3e..ac4c9bfea2e7 100644
--- a/mm/msync.c
+++ b/mm/msync.c
@@ -104,7 +104,7 @@ SYSCALL_DEFINE3(msync, unsigned long, start, size_t, len, int, flags)
 				error = 0;
 				goto out_unlock;
 			}
-			vma = vma->vm_next;
+			vma = find_vma(mm, vma->vm_end);
 		}
 	}
 out_unlock:
-- 
2.50.1