linux-kernel - Re: [2.6 patch] kernel/power/: move function prototypes to header

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Date:	Fri, 2 Nov 2007 21:35:58 +0100
From:	"Rafael J. Wysocki" <rjw@...k.pl>
To:	Adrian Bunk <bunk@...nel.org>
Cc:	pavel@...e.cz, linux-pm@...ts.linux-foundation.org,
	linux-kernel@...r.kernel.org,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [2.6 patch] kernel/power/: move function prototypes to header

On Friday, 2 November 2007 16:44, Adrian Bunk wrote:
> This patch moves the prototypes of count_highmem_pages() and 
> restore_highmem() to kernel/power/power.h
> 
> Signed-off-by: Adrian Bunk <bunk@...nel.org>

Acked-by: Rafael J. Wysocki <rjw@...k.p>

> ---
> 
>  kernel/power/power.h    |    8 ++++++++
>  kernel/power/snapshot.c |    1 -
>  kernel/power/swsusp.c   |    8 --------
>  3 files changed, 8 insertions(+), 9 deletions(-)
> 
> 20af06052a0203d9e60b4937282793900c756182 
> diff --git a/kernel/power/power.h b/kernel/power/power.h
> index 195dc46..3fe1e7f 100644
> --- a/kernel/power/power.h
> +++ b/kernel/power/power.h
> @@ -211,3 +211,11 @@ static inline int pm_notifier_call_chain(unsigned long val)
>  	return (blocking_notifier_call_chain(&pm_chain_head, val, NULL)
>  			== NOTIFY_BAD) ? -EINVAL : 0;
>  }
> +
> +#ifdef CONFIG_HIGHMEM
> +unsigned int count_highmem_pages(void);
> +int restore_highmem(void);
> +#else
> +static inline unsigned int count_highmem_pages(void) { return 0; }
> +static inline int restore_highmem(void) { return 0; }
> +#endif
> diff --git a/kernel/power/snapshot.c b/kernel/power/snapshot.c
> index 78039b4..d9ed1ff 100644
> --- a/kernel/power/snapshot.c
> +++ b/kernel/power/snapshot.c
> @@ -872,7 +872,6 @@ unsigned int count_highmem_pages(void)
>  }
>  #else
>  static inline void *saveable_highmem_page(unsigned long pfn) { return NULL; }
> -static inline unsigned int count_highmem_pages(void) { return 0; }
>  #endif /* CONFIG_HIGHMEM */
>  
>  /**
> diff --git a/kernel/power/swsusp.c b/kernel/power/swsusp.c
> index e1722d3..605c536 100644
> --- a/kernel/power/swsusp.c
> +++ b/kernel/power/swsusp.c
> @@ -64,14 +64,6 @@ unsigned long image_size = 500 * 1024 * 1024;
>  
>  int in_suspend __nosavedata = 0;
>  
> -#ifdef CONFIG_HIGHMEM
> -unsigned int count_highmem_pages(void);
> -int restore_highmem(void);
> -#else
> -static inline int restore_highmem(void) { return 0; }
> -static inline unsigned int count_highmem_pages(void) { return 0; }
> -#endif
> -
>  /**
>   *	The following functions are used for tracing the allocated
>   *	swap pages, so that they can be freed in case of an error.
> 
> 
> 

-- 
"Premature optimization is the root of all evil." - Donald Knuth
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