Re: [PATCH v2] memcg: workingset: remove folio_memcg_rcu usage
From: SeongJae Park
Date: Sun Oct 27 2024 - 13:33:49 EST
On Sat, 26 Oct 2024 23:55:14 -0700 Shakeel Butt <shakeel.butt@xxxxxxxxx> wrote:
[...]
It seems like folio_memcg_charged() is not defined for CONFIG_MEMCG=n
> config option. The following stub should fix the build for such config.
>
>
> diff --git a/include/linux/memcontrol.h b/include/linux/memcontrol.h
> index 89a1e9f10e1b..5502aa8e138e 100644
> --- a/include/linux/memcontrol.h
> +++ b/include/linux/memcontrol.h
> @@ -1055,6 +1055,11 @@ static inline struct mem_cgroup *folio_memcg(struct folio *folio)
> return NULL;
> }
>
> +static inline bool folio_memcg_charged(struct folio *folio)
> +{
> + return false;
> +}
> +
> static inline struct mem_cgroup *folio_memcg_check(struct folio *folio)
> {
> return NULL;
Tested-by: SeongJae Park <sj@xxxxxxxxxx>
Thanks,
SJ