linux-kernel - Re: [PATCH 7/9] mm: Mark functions as static in page

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Date:	Mon, 10 Feb 2014 09:23:24 +0100
From:	Michal Hocko <mhocko@...e.cz>
To:	Rashika Kheria <rashika.kheria@...il.com>
Cc:	linux-kernel@...r.kernel.org, Johannes Weiner <hannes@...xchg.org>,
	Balbir Singh <bsingharora@...il.com>,
	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>,
	Tejun Heo <tj@...nel.org>, Li Zefan <lizefan@...wei.com>,
	cgroups@...r.kernel.org, linux-mm@....suse.de
Subject: Re: [PATCH 7/9] mm: Mark functions as static in page_cgroup.c

On Fri 07-02-14 17:41:34, Rashika Kheria wrote:
> Mark functions as static in page_cgroup.c because they are not used
> outside this file.
> 
> This eliminates the following warning in mm/page_cgroup.c:
> mm/page_cgroup.c:177:6: warning: no previous prototype for ‘__free_page_cgroup’ [-Wmissing-prototypes]
> mm/page_cgroup.c:190:15: warning: no previous prototype for ‘online_page_cgroup’ [-Wmissing-prototypes]
> mm/page_cgroup.c:225:15: warning: no previous prototype for ‘offline_page_cgroup’ [-Wmissing-prototypes]
> 
> Signed-off-by: Rashika Kheria <rashika.kheria@...il.com>
> Reviewed-by: Josh Triplett <josh@...htriplett.org>

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

> ---
>  mm/page_cgroup.c |   12 ++++++------
>  1 file changed, 6 insertions(+), 6 deletions(-)
> 
> diff --git a/mm/page_cgroup.c b/mm/page_cgroup.c
> index 6d757e3a..6ec349c 100644
> --- a/mm/page_cgroup.c
> +++ b/mm/page_cgroup.c
> @@ -174,7 +174,7 @@ static void free_page_cgroup(void *addr)
>  	}
>  }
>  
> -void __free_page_cgroup(unsigned long pfn)
> +static void __free_page_cgroup(unsigned long pfn)
>  {
>  	struct mem_section *ms;
>  	struct page_cgroup *base;
> @@ -187,9 +187,9 @@ void __free_page_cgroup(unsigned long pfn)
>  	ms->page_cgroup = NULL;
>  }
>  
> -int __meminit online_page_cgroup(unsigned long start_pfn,
> -			unsigned long nr_pages,
> -			int nid)
> +static int __meminit online_page_cgroup(unsigned long start_pfn,
> +				unsigned long nr_pages,
> +				int nid)
>  {
>  	unsigned long start, end, pfn;
>  	int fail = 0;
> @@ -222,8 +222,8 @@ int __meminit online_page_cgroup(unsigned long start_pfn,
>  	return -ENOMEM;
>  }
>  
> -int __meminit offline_page_cgroup(unsigned long start_pfn,
> -		unsigned long nr_pages, int nid)
> +static int __meminit offline_page_cgroup(unsigned long start_pfn,
> +				unsigned long nr_pages, int nid)
>  {
>  	unsigned long start, end, pfn;
>  
> -- 
> 1.7.9.5
> 
> --
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> 

-- 
Michal Hocko
SUSE Labs
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