[PATCH v12 54/69] mm/madvise: use vma_find() instead of vma linked list

Liam Howlett
2022-07-20T02:24:26Z

madvise_walk_vmas() no longer uses linked list.

Link: https://lkml.kernel.org/r/20220504011345.662299-39-Liam.Howlett@oracle.com
Link: https://lkml.kernel.org/r/20220621204632.3370049-55-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>
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 >= 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);
}
--
2.35.1