Re: [PATCH -next] mm/memcontrol.c: replace cgroup_memory_nokmem with mem_cgroup_kmem_disabled()

[Souptick Joarder]

On Sat, Jun 25, 2022 at 11:51 AM Xiang Yang <xiangyang3@xxxxxxxxxx> wrote:
>
> mem_cgroup_kmem_disabled() checks whether the kmem accounting is off.
> Therefore, replace cgroup_memory_nokmem with mem_cgroup_kmem_disabled(),
> which is the same work in percpu.c and slab_common.c.
>
> Signed-off-by: Xiang Yang <xiangyang3@xxxxxxxxxx>
Acked-by: Souptick Joarder (HPE) <jrdr.linux@xxxxxxxxx>
> ---
>  mm/memcontrol.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/mm/memcontrol.c b/mm/memcontrol.c
> index 85adc43c5a25..4672c9ddd188 100644
> --- a/mm/memcontrol.c
> +++ b/mm/memcontrol.c
> @@ -3815,7 +3815,7 @@ static u64 mem_cgroup_read_u64(struct cgroup_subsys_state *css,
>  #ifdef CONFIG_MEMCG_KMEM
>  static int memcg_online_kmem(struct mem_cgroup *memcg)
>  {
> -       if (cgroup_memory_nokmem)
> +       if (mem_cgroup_kmem_disabled())
>                 return 0;
>
>         if (unlikely(mem_cgroup_is_root(memcg)))
> @@ -3830,7 +3830,7 @@ static int memcg_online_kmem(struct mem_cgroup *memcg)
>
>  static void memcg_offline_kmem(struct mem_cgroup *memcg)
>  {
> -       if (cgroup_memory_nokmem)
> +       if (mem_cgroup_kmem_disabled())
>                 return;
>
>         if (unlikely(mem_cgroup_is_root(memcg)))
> --
> 2.22.0
>
>