| From | Ming Lei <> | Subject | [PATCH v2 03/51] kernel/power/swap.c: comment on direct access to bvec table | Date | Mon, 26 Jun 2017 20:09:46 +0800 |
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Cc: "Rafael J. Wysocki" <rjw@rjwysocki.net> Cc: linux-pm@vger.kernel.org Signed-off-by: Ming Lei <ming.lei@redhat.com> --- 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
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