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>

diff --git a/mm/msync.c b/mm/msync.c
index 137d1c104f3e94399d6706c5e342af0048615a4d..ac4c9bfea2e7faff18c3cf3bd8b74766cdbee166 100644 (file)
--- 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: