[PATCH v3 03/49] kernel/power/swap.c: comment on direct access to bvec table
From: Ming Lei <hidden>
Date: 2017-08-08 08:45:02
Also in:
linux-block, linux-fsdevel, linux-mm, lkml
Subsystem:
hibernation (aka software suspend, aka swsusp), suspend to ram, the rest · Maintainers:
"Rafael J. Wysocki", Linus Torvalds
Cc: "Rafael J. Wysocki" <redacted> Cc: linux-pm@vger.kernel.org Signed-off-by: Ming Lei <redacted> --- kernel/power/swap.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/kernel/power/swap.c b/kernel/power/swap.c
index 57d22571f306..aa52ccc03fcc 100644
--- a/kernel/power/swap.c
+++ b/kernel/power/swap.c@@ -238,6 +238,8 @@ static void hib_init_batch(struct hib_bio_batch *hb) static void hib_end_io(struct bio *bio) { struct hib_bio_batch *hb = bio->bi_private; + + /* single page bio, safe for multipage bvec */ struct page *page = bio->bi_io_vec[0].bv_page; if (bio->bi_status) {
--
2.9.4