Signed-off-by: Ming Lei <tom.leiming@xxxxxxxxx>
---
mm/page_io.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/mm/page_io.c b/mm/page_io.c
index a2651f58c86a..b0c0069ec1f4 100644
--- a/mm/page_io.c
+++ b/mm/page_io.c
@@ -43,6 +43,7 @@ static struct bio *get_swap_bio(gfp_t gfp_flags,
void end_swap_bio_write(struct bio *bio)
{
+ /* single page bio, safe for multipage bvec */
struct page *page = bio->bi_io_vec[0].bv_page;
if (bio->bi_error) {
--
2.7.4
--
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