Re: [PATCH 1/5] mm, memcg: remove unused functions

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On Thu 29-07-21 20:57:51, Miaohe Lin wrote:
> Since commit 2d146aa3aa84 ("mm: memcontrol: switch to rstat"), last user
> of memcg_stat_item_in_bytes() is gone. And since commit fa40d1ee9f15 ("mm:
> vmscan: memcontrol: remove mem_cgroup_select_victim_node()"), only the
> declaration of mem_cgroup_select_victim_node() is remained here. Remove
> them.
> 
> Signed-off-by: Miaohe Lin <linmiaohe@xxxxxxxxxx>

Acked-by: Michal Hocko <mhocko@xxxxxxxx>

> ---
>  include/linux/memcontrol.h | 12 ------------
>  1 file changed, 12 deletions(-)
> 
> diff --git a/include/linux/memcontrol.h b/include/linux/memcontrol.h
> index 7028d8e4a3d7..04437504444f 100644
> --- a/include/linux/memcontrol.h
> +++ b/include/linux/memcontrol.h
> @@ -606,13 +606,6 @@ static inline bool PageMemcgKmem(struct page *page)
>  	return folio_memcg_kmem(page_folio(page));
>  }
>  
> -static __always_inline bool memcg_stat_item_in_bytes(int idx)
> -{
> -	if (idx == MEMCG_PERCPU_B)
> -		return true;
> -	return vmstat_item_in_bytes(idx);
> -}
> -
>  static inline bool mem_cgroup_is_root(struct mem_cgroup *memcg)
>  {
>  	return (memcg == root_mem_cgroup);
> @@ -916,11 +909,6 @@ static inline bool mem_cgroup_online(struct mem_cgroup *memcg)
>  	return !!(memcg->css.flags & CSS_ONLINE);
>  }
>  
> -/*
> - * For memory reclaim.
> - */
> -int mem_cgroup_select_victim_node(struct mem_cgroup *memcg);
> -
>  void mem_cgroup_update_lru_size(struct lruvec *lruvec, enum lru_list lru,
>  		int zid, int nr_pages);
>  
> -- 
> 2.23.0

-- 
Michal Hocko
SUSE Labs




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