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From: Michal Hocko <mhocko@suse.com>
To: Miaohe Lin <linmiaohe@huawei.com>
Cc: hannes@cmpxchg.org, vdavydov.dev@gmail.com,
	akpm@linux-foundation.org, shakeelb@google.com, guro@fb.com,
	willy@infradead.org, alexs@kernel.org, richard.weiyang@gmail.com,
	songmuchun@bytedance.com, linux-mm@kvack.org,
	linux-kernel@vger.kernel.org, cgroups@vger.kernel.org
Subject: Re: [PATCH 1/5] mm, memcg: remove unused functions
Date: Fri, 30 Jul 2021 08:45:12 +0200	[thread overview]
Message-ID: <YQOf+OAKmGxE6+k/@dhcp22.suse.cz> (raw)
In-Reply-To: <20210729125755.16871-2-linmiaohe@huawei.com>

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@huawei.com>

Acked-by: Michal Hocko <mhocko@suse.com>

> ---
>  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

  parent reply	other threads:[~2021-07-30  6:45 UTC|newest]

Thread overview: 53+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-07-29 12:57 [PATCH 0/5] Cleanups and fixup for memcontrol Miaohe Lin
2021-07-29 12:57 ` [PATCH 1/5] mm, memcg: remove unused functions Miaohe Lin
2021-07-29 14:07   ` Shakeel Butt
2021-07-29 14:07     ` Shakeel Butt
2021-07-30  2:39   ` Muchun Song
2021-07-30  2:39     ` Muchun Song
2021-07-30  2:57   ` Roman Gushchin
2021-07-30  6:45   ` Michal Hocko [this message]
2021-07-29 12:57 ` [PATCH 2/5] mm, memcg: narrow the scope of percpu_charge_mutex Miaohe Lin
2021-07-30  2:42   ` Muchun Song
2021-07-30  2:42     ` Muchun Song
2021-07-30  3:06   ` Roman Gushchin
2021-07-30  6:50     ` Michal Hocko
2021-07-31  2:29       ` Miaohe Lin
2021-08-02  6:49         ` Michal Hocko
2021-08-02  9:54           ` Miaohe Lin
2021-08-03  3:40         ` Roman Gushchin
2021-08-03  6:29           ` Miaohe Lin
2021-08-03  7:11             ` Michal Hocko
2021-08-03  7:13               ` Roman Gushchin
2021-08-03  7:27                 ` Michal Hocko
2021-08-03  9:33             ` Muchun Song
2021-08-03  9:33               ` Muchun Song
2021-08-03 10:50               ` Miaohe Lin
2021-08-03 14:15       ` Johannes Weiner
2021-08-04  8:20         ` Michal Hocko
2021-08-05  1:44           ` Miaohe Lin
2021-07-30  6:46   ` Michal Hocko
2021-07-29 12:57 ` [PATCH 3/5] mm, memcg: save some atomic ops when flush is already true Miaohe Lin
2021-07-29 14:40   ` Shakeel Butt
2021-07-29 14:40     ` Shakeel Butt
2021-07-30  2:37   ` Muchun Song
2021-07-30  2:37     ` Muchun Song
2021-07-30  3:07   ` Roman Gushchin
2021-07-30  6:51   ` Michal Hocko
2021-07-29 12:57 ` [PATCH 4/5] mm, memcg: avoid possible NULL pointer dereferencing in mem_cgroup_init() Miaohe Lin
2021-07-29 13:52   ` Matthew Wilcox
2021-07-30  1:50     ` Miaohe Lin
2021-07-30  3:12   ` Roman Gushchin
2021-07-30  6:29     ` Miaohe Lin
2021-07-30  6:44     ` Michal Hocko
2021-07-31  2:05       ` Miaohe Lin
2021-08-02  6:43         ` Michal Hocko
2021-08-02 10:00           ` Miaohe Lin
2021-08-02 10:42             ` Michal Hocko
2021-08-02 11:18               ` Miaohe Lin
2021-07-29 12:57 ` [PATCH 5/5] mm, memcg: always call __mod_node_page_state() with preempt disabled Miaohe Lin
2021-07-29 14:39   ` Shakeel Butt
2021-07-29 14:39     ` Shakeel Butt
2021-07-30  1:52     ` Miaohe Lin
2021-07-30  2:33       ` [External] " Muchun Song
2021-07-30  2:33         ` Muchun Song
2021-07-30  2:46         ` Miaohe Lin

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