Re: [PATCH] mm/vmscan: fix page_freeze_refs in comment.

From: Michal Hocko
Date: Thu Jul 26 2018 - 02:11:20 EST


On Thu 26-07-18 07:34:17, Jiang Biao wrote:
> page_freeze_refs has already been relplaced by page_ref_freeze, but
> it is not modified in the comment.

Hmm
$ git grep page_refs_freeze origin/master
$

The same is the case in the linux-next tree. Which tree are you looking at?

>
> Signed-off-by: Jiang Biao <jiang.biao2@xxxxxxxxxx>
> ---
> mm/vmscan.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/mm/vmscan.c b/mm/vmscan.c
> index 03822f8..d29e207 100644
> --- a/mm/vmscan.c
> +++ b/mm/vmscan.c
> @@ -744,7 +744,7 @@ static int __remove_mapping(struct address_space *mapping, struct page *page,
> refcount = 2;
> if (!page_ref_freeze(page, refcount))
> goto cannot_free;
> - /* note: atomic_cmpxchg in page_freeze_refs provides the smp_rmb */
> + /* note: atomic_cmpxchg in page_refs_freeze provides the smp_rmb */
> if (unlikely(PageDirty(page))) {
> page_ref_unfreeze(page, refcount);
> goto cannot_free;
> --
> 2.7.4
>

--
Michal Hocko
SUSE Labs