linux-kernel - Re: [PATCH v2 4/7] memcg: cleanup __mod_memcg_lruvec

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Date: Fri, 26 Apr 2024 17:53:28 -0700
From: Yosry Ahmed <yosryahmed@...gle.com>
To: Shakeel Butt <shakeel.butt@...ux.dev>
Cc: Andrew Morton <akpm@...ux-foundation.org>, Johannes Weiner <hannes@...xchg.org>, 
	Michal Hocko <mhocko@...nel.org>, Roman Gushchin <roman.gushchin@...ux.dev>, 
	Muchun Song <muchun.song@...ux.dev>, linux-mm@...ck.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 4/7] memcg: cleanup __mod_memcg_lruvec_state

On Fri, Apr 26, 2024 at 5:38 PM Shakeel Butt <shakeel.butt@...ux.dev> wrote:
>
> There are no memcg specific stats for NR_SHMEM_PMDMAPPED and
> NR_FILE_PMDMAPPED. Let's remove them.
>
> Signed-off-by: Shakeel Butt <shakeel.butt@...ux.dev>

Reviewed-by: Yosry Ahmed <yosryahmed@...gle.com>

> ---
>  mm/memcontrol.c | 2 --
>  1 file changed, 2 deletions(-)
>
> diff --git a/mm/memcontrol.c b/mm/memcontrol.c
> index c164bc9b8ed6..103e0e53e20a 100644
> --- a/mm/memcontrol.c
> +++ b/mm/memcontrol.c
> @@ -1009,8 +1009,6 @@ static void __mod_memcg_lruvec_state(struct lruvec *lruvec,
>                 case NR_ANON_MAPPED:
>                 case NR_FILE_MAPPED:
>                 case NR_ANON_THPS:
> -               case NR_SHMEM_PMDMAPPED:
> -               case NR_FILE_PMDMAPPED:
>                         if (WARN_ON_ONCE(!in_task()))
>                                 pr_warn("stat item index: %d\n", idx);
>                         break;
> --
> 2.43.0
>
>