Re: [PATCH] sparsemem: Shut up unused symbol compiler warnings.

[Yasunori Goto]

I think this issue is fixed by
move-three-functions-that-are-only-needed-for.patch in current -mm tree.
Is it not enough?

Thanks.

> __kmalloc_section_memmap()/__kfree_section_memmap() and friends are only
> used by the memory hotplug code. Move these in to the existing
> CONFIG_MEMORY_HOTPLUG block.
> 
> Signed-off-by: Paul Mundt <lethal@xxxxxxxxxxxx>
> 
> --
> 
>  mm/sparse.c |   42 +++++++++++++++++++++---------------------
>  1 file changed, 21 insertions(+), 21 deletions(-)
> 
> diff --git a/mm/sparse.c b/mm/sparse.c
> index 1302f83..35f739a 100644
> --- a/mm/sparse.c
> +++ b/mm/sparse.c
> @@ -229,6 +229,7 @@ static struct page __init *sparse_early_mem_map_alloc(unsigned long pnum)
>  	return NULL;
>  }
>  
> +#ifdef CONFIG_MEMORY_HOTPLUG
>  static struct page *__kmalloc_section_memmap(unsigned long nr_pages)
>  {
>  	struct page *page, *ret;
> @@ -269,27 +270,6 @@ static void __kfree_section_memmap(struct page *memmap, unsigned long nr_pages)
>  }
>  
>  /*
> - * Allocate the accumulated non-linear sections, allocate a mem_map
> - * for each and record the physical to section mapping.
> - */
> -void __init sparse_init(void)
> -{
> -	unsigned long pnum;
> -	struct page *map;
> -
> -	for (pnum = 0; pnum < NR_MEM_SECTIONS; pnum++) {
> -		if (!valid_section_nr(pnum))
> -			continue;
> -
> -		map = sparse_early_mem_map_alloc(pnum);
> -		if (!map)
> -			continue;
> -		sparse_init_one_section(__nr_to_section(pnum), pnum, map);
> -	}
> -}
> -
> -#ifdef CONFIG_MEMORY_HOTPLUG
> -/*
>   * returns the number of sections whose mem_maps were properly
>   * set.  If this is <=0, then that means that the passed-in
>   * map was not consumed and must be freed.
> @@ -329,3 +309,23 @@ out:
>  	return ret;
>  }
>  #endif
> +
> +/*
> + * Allocate the accumulated non-linear sections, allocate a mem_map
> + * for each and record the physical to section mapping.
> + */
> +void __init sparse_init(void)
> +{
> +	unsigned long pnum;
> +	struct page *map;
> +
> +	for (pnum = 0; pnum < NR_MEM_SECTIONS; pnum++) {
> +		if (!valid_section_nr(pnum))
> +			continue;
> +
> +		map = sparse_early_mem_map_alloc(pnum);
> +		if (!map)
> +			continue;
> +		sparse_init_one_section(__nr_to_section(pnum), pnum, map);
> +	}
> +}
> 
> --
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-- 
Yasunori Goto 


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