linux-kernel - Re: [PATCH 1/8] mm: memcontrol: drop unused @css argument in memcg_init

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Date:	Thu, 10 Dec 2015 13:37:32 +0100
From:	Michal Hocko <mhocko@...nel.org>
To:	Johannes Weiner <hannes@...xchg.org>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Vladimir Davydov <vdavydov@...tuozzo.com>, linux-mm@...ck.org,
	cgroups@...r.kernel.org, linux-kernel@...r.kernel.org,
	kernel-team@...com
Subject: Re: [PATCH 1/8] mm: memcontrol: drop unused @css argument in
 memcg_init_kmem

On Tue 08-12-15 13:34:18, Johannes Weiner wrote:
> Signed-off-by: Johannes Weiner <hannes@...xchg.org>

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

> ---
>  include/net/tcp_memcontrol.h | 3 ++-
>  mm/memcontrol.c              | 6 +++---
>  net/ipv4/tcp_memcontrol.c    | 2 +-
>  3 files changed, 6 insertions(+), 5 deletions(-)
> 
> diff --git a/include/net/tcp_memcontrol.h b/include/net/tcp_memcontrol.h
> index 3a17b16..dc2da2f 100644
> --- a/include/net/tcp_memcontrol.h
> +++ b/include/net/tcp_memcontrol.h
> @@ -1,6 +1,7 @@
>  #ifndef _TCP_MEMCG_H
>  #define _TCP_MEMCG_H
>  
> -int tcp_init_cgroup(struct mem_cgroup *memcg, struct cgroup_subsys *ss);
> +int tcp_init_cgroup(struct mem_cgroup *memcg);
>  void tcp_destroy_cgroup(struct mem_cgroup *memcg);
> +
>  #endif /* _TCP_MEMCG_H */
> diff --git a/mm/memcontrol.c b/mm/memcontrol.c
> index 5fe45d68..eda8d43 100644
> --- a/mm/memcontrol.c
> +++ b/mm/memcontrol.c
> @@ -3561,7 +3561,7 @@ static int mem_cgroup_oom_control_write(struct cgroup_subsys_state *css,
>  }
>  
>  #ifdef CONFIG_MEMCG_KMEM
> -static int memcg_init_kmem(struct mem_cgroup *memcg, struct cgroup_subsys *ss)
> +static int memcg_init_kmem(struct mem_cgroup *memcg)
>  {
>  	int ret;
>  
> @@ -3569,7 +3569,7 @@ static int memcg_init_kmem(struct mem_cgroup *memcg, struct cgroup_subsys *ss)
>  	if (ret)
>  		return ret;
>  
> -	return tcp_init_cgroup(memcg, ss);
> +	return tcp_init_cgroup(memcg);
>  }
>  
>  static void memcg_deactivate_kmem(struct mem_cgroup *memcg)
> @@ -4252,7 +4252,7 @@ mem_cgroup_css_online(struct cgroup_subsys_state *css)
>  	}
>  	mutex_unlock(&memcg_create_mutex);
>  
> -	ret = memcg_init_kmem(memcg, &memory_cgrp_subsys);
> +	ret = memcg_init_kmem(memcg);
>  	if (ret)
>  		return ret;
>  
> diff --git a/net/ipv4/tcp_memcontrol.c b/net/ipv4/tcp_memcontrol.c
> index 18bc7f7..133eb5e 100644
> --- a/net/ipv4/tcp_memcontrol.c
> +++ b/net/ipv4/tcp_memcontrol.c
> @@ -6,7 +6,7 @@
>  #include <linux/memcontrol.h>
>  #include <linux/module.h>
>  
> -int tcp_init_cgroup(struct mem_cgroup *memcg, struct cgroup_subsys *ss)
> +int tcp_init_cgroup(struct mem_cgroup *memcg)
>  {
>  	struct mem_cgroup *parent = parent_mem_cgroup(memcg);
>  	struct page_counter *counter_parent = NULL;
> -- 
> 2.6.3

-- 
Michal Hocko
SUSE Labs
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