Messages in this thread Patch in this message |  | | From | Ming Lei <> | Subject | [PATCH 18/60] mm: page_io.c: comment on direct access to bvec table | Date | Sat, 29 Oct 2016 16:08:17 +0800 |
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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
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