From: ZhangPeng <zhangpeng362@xxxxxxxxxx> Saves one implicit call to compound_head(). Signed-off-by: ZhangPeng <zhangpeng362@xxxxxxxxxx> --- mm/page_io.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/mm/page_io.c b/mm/page_io.c index 438d0c7c2194..f24f814b8dca 100644 --- a/mm/page_io.c +++ b/mm/page_io.c @@ -334,6 +334,7 @@ static void swap_writepage_bdev_sync(struct page *page, { struct bio_vec bv; struct bio bio; + struct folio *folio = page_folio(page); bio_init(&bio, sis->bdev, &bv, 1, REQ_OP_WRITE | REQ_SWAP | wbc_to_write_flags(wbc)); @@ -343,8 +344,8 @@ static void swap_writepage_bdev_sync(struct page *page, bio_associate_blkg_from_page(&bio, page); count_swpout_vm_event(page); - set_page_writeback(page); - unlock_page(page); + folio_start_writeback(folio); + folio_unlock(folio); submit_bio_wait(&bio); __end_swap_bio_write(&bio); -- 2.25.1