Re: [PATCH 1/2] clean up for early_pfn_to_nid

[KOSAKI Motohiro]

> From: KAMEZAWA Hiroyuki <kamezawa.hiroyu@xxxxxxxxxxxxxx>
> 
> Declaration of early_pfn_to_nid() is scattered over per-arch include files,
> and it seems it's complicated to know when the declaration is used.
> I think it makes fix-for-memmap-init not easy.
> 
> This patch moves all declaration to include/linux/mm.h
> 
> After this,
>   if !CONFIG_NODES_POPULATES_NODE_MAP && !CONFIG_HAVE_ARCH_EARLY_PFN_TO_NID
>      -> Use static definition in include/linux/mm.h
>   else if !CONFIG_HAVE_ARCH_EARLY_PFN_TO_NID
>      -> Use generic definition in mm/page_alloc.c
>   else
>      -> per-arch back end function will be called.
> 
> Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@xxxxxxxxxxxxxx>

at least, this patch works fine on my ia64 box.

	Tested-by: KOSAKI Motohiro <kosaki.motohiro@xxxxxxxxxxxxxx>



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