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 f24f814b8dca..84cc9e652451 100644 --- a/mm/page_io.c +++ b/mm/page_io.c @@ -355,6 +355,7 @@ static void swap_writepage_bdev_async(struct page *page, struct writeback_control *wbc, struct swap_info_struct *sis) { struct bio *bio; + struct folio *folio = page_folio(page); bio = bio_alloc(sis->bdev, 1, REQ_OP_WRITE | REQ_SWAP | wbc_to_write_flags(wbc), @@ -365,8 +366,8 @@ static void swap_writepage_bdev_async(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(bio); } -- 2.25.1