Re: [PATCH v3 8/9] mm: replace CONFIG_NEED_MULTIPLE_NODES with CONFIG_NUMA

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On Tue,  8 Jun 2021 12:13:15 +0300 Mike Rapoport <rppt@xxxxxxxxxx> wrote:

> From: Mike Rapoport <rppt@xxxxxxxxxxxxx>
> 
> After removal of DISCINTIGMEM the NEED_MULTIPLE_NODES and NUMA
> configuration options are equivalent.
> 
> Drop CONFIG_NEED_MULTIPLE_NODES and use CONFIG_NUMA instead.
> 
> Done with
> 
> 	$ sed -i 's/CONFIG_NEED_MULTIPLE_NODES/CONFIG_NUMA/' \
> 		$(git grep -wl CONFIG_NEED_MULTIPLE_NODES)
> 	$ sed -i 's/NEED_MULTIPLE_NODES/NUMA/' \
> 		$(git grep -wl NEED_MULTIPLE_NODES)
> 
> with manual tweaks afterwards.
> 
> ...
>
> --- a/include/linux/mmzone.h
> +++ b/include/linux/mmzone.h
> @@ -987,7 +987,7 @@ extern int movable_zone;
>  #ifdef CONFIG_HIGHMEM
>  static inline int zone_movable_is_highmem(void)
>  {
> -#ifdef CONFIG_NEED_MULTIPLE_NODES
> +#ifdef CONFIG_NUMA
>  	return movable_zone == ZONE_HIGHMEM;
>  #else
>  	return (ZONE_MOVABLE - 1) == ZONE_HIGHMEM;

I dropped this hunk - your "mm/mmzone.h: simplify is_highmem_idx()"
removed zone_movable_is_highmem().  

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