Re: [PATCH 2/8] arch/parisc/include/asm: use ARRAY_SIZE macro inmmzone.h

From: Kyle McMartin
Date: Wed Sep 08 2010 - 17:17:55 EST


On Wed, Sep 08, 2010 at 10:11:13PM +0100, Nikitas Angelinas wrote:
> Replace sizeof(pfnnid_map) / sizeof(pfnnid_map[0]) with
> ARRAY_SIZE(pfnnid_map) in mmzone.h
>

Thanks. Let me think about this, I don't really like the tangled web of
include dependencies this results in...

regards, Kyle

> Signed-off-by: Nikitas Angelinas <nikitasangelinas@xxxxxxxxx>
> ---
> arch/parisc/include/asm/mmzone.h | 4 +++-
> 1 files changed, 3 insertions(+), 1 deletions(-)
>
> diff --git a/arch/parisc/include/asm/mmzone.h b/arch/parisc/include/asm/mmzone.h
> index 9608d2c..85b23b6 100644
> --- a/arch/parisc/include/asm/mmzone.h
> +++ b/arch/parisc/include/asm/mmzone.h
> @@ -3,6 +3,8 @@
>
> #ifdef CONFIG_DISCONTIGMEM
>
> +#include <linux/kernel.h>
> +
> #define MAX_PHYSMEM_RANGES 8 /* Fix the size for now (current known max is 3) */
> extern int npmem_ranges;
>
> @@ -51,7 +53,7 @@ static inline int pfn_to_nid(unsigned long pfn)
> return 0;
>
> i = pfn >> PFNNID_SHIFT;
> - BUG_ON(i >= sizeof(pfnnid_map) / sizeof(pfnnid_map[0]));
> + BUG_ON(i >= ARRAY_SIZE(pfnnid_map));
> r = pfnnid_map[i];
> BUG_ON(r == 0xff);
>
> --
> 1.7.2.3
>
>
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