mm/madvise: use vma_find() instead of vma linked list

madvise_walk_vmas() no longer uses linked list.

Signed-off-by: Liam R. Howlett <Liam.Howlett@Oracle.com>
Acked-by: Vlastimil Babka <vbabka@suse.cz>
Reviewed-by: Davidlohr Bueso <dave@stgolabs.net>

diff --git a/mm/madvise.c b/mm/madvise.c
index af97100a072704e7de41f4877faf78eb7b223618..682e1d161aef987185cf1b0d8739e002ddfe8abf 100644 (file)
--- a/mm/madvise.c
+++ b/mm/madvise.c
@@ -1242,7 +1242,7 @@ int madvise_walk_vmas(struct mm_struct *mm, unsigned long start,
                if (start >= end)
                        break;
                if (prev)
-                       vma = prev->vm_next;
+                       vma = find_vma(mm, prev->vm_end);
                else    /* madvise_remove dropped mmap_lock */
                        vma = find_vma(mm, start);
        }