[PATCH 18/60] mm: page_io.c: comment on direct access to bvec table
STALE3575d
From: Ming Lei <tom.leiming@gmail.com>
Date: 2016-10-29 08:08:17
Also in:
linux-fsdevel, linux-mm, lkml
Subsystem:
memory management, memory management - swap, the rest · Maintainers:
Andrew Morton, Chris Li, Kairui Song, Linus Torvalds
Revision v1 of 2 in this series.
Revisions (2)
- v1 current
- v1 [diff vs current]
Signed-off-by: Ming Lei <tom.leiming@gmail.com> --- 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