linux-kernel - Re: [PATCH v2] memcg: fix section mismatch

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Message-Id: <20090114160758.159415f5.kamezawa.hiroyu@jp.fujitsu.com>
Date:	Wed, 14 Jan 2009 16:07:58 +0900
From:	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>
To:	Li Zefan <lizf@...fujitsu.com>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Balbir Singh <balbir@...ux.vnet.ibm.com>,
	Rakib Mullick <rakib.mullick@...il.com>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2] memcg: fix section mismatch

On Wed, 14 Jan 2009 15:04:32 +0800
Li Zefan <lizf@...fujitsu.com> wrote:

> At system boot when creating the top cgroup, mem_cgroup_create() calls
> enable_swap_cgroup() which is marked as __init, so mark mem_cgroup_create()
> as __ref to avoid false section mismatch warning.
> 
> Reported-by: Rakib Mullick <rakib.mullick@...il.com>
> Signed-off-by: Li Zefan <lizf@...fujitsu.com>

Acked-by; KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>

> ---
> 
> use __ref instead of __init_refok
> 
change log ?

> ---
>  mm/memcontrol.c |    2 +-
>  1 files changed, 1 insertions(+), 1 deletions(-)
> 
> diff --git a/mm/memcontrol.c b/mm/memcontrol.c
> index e2996b8..e57afca 100644
> --- a/mm/memcontrol.c
> +++ b/mm/memcontrol.c
> @@ -2181,7 +2181,7 @@ static void __init enable_swap_cgroup(void)
>  }
>  #endif
>  
> -static struct cgroup_subsys_state *
> +static struct cgroup_subsys_state * __ref
>  mem_cgroup_create(struct cgroup_subsys *ss, struct cgroup *cont)
>  {
>  	struct mem_cgroup *mem, *parent;
> -- 
> 1.5.4.rc3
> 

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