Re: [PATCH 09/16] mm/page_alloc: use local variable zone_idx directly

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On Fri, Sep 09, 2022 at 05:24:44PM +0800, Miaohe Lin wrote:
> Use local variable zone_idx directly since it holds the exact value of
> zone_idx(). No functional change intended.
> 
> Signed-off-by: Miaohe Lin <linmiaohe@xxxxxxxxxx>

By the way, zone_idx being "int" should be enough?

Reviewed-by: Oscar Salvador <osalvador@xxxxxxx>

> ---
>  mm/page_alloc.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/mm/page_alloc.c b/mm/page_alloc.c
> index 94baf33da865..3417232afa45 100644
> --- a/mm/page_alloc.c
> +++ b/mm/page_alloc.c
> @@ -6878,7 +6878,7 @@ void __ref memmap_init_zone_device(struct zone *zone,
>  	unsigned long start = jiffies;
>  	int nid = pgdat->node_id;
>  
> -	if (WARN_ON_ONCE(!pgmap || zone_idx(zone) != ZONE_DEVICE))
> +	if (WARN_ON_ONCE(!pgmap || zone_idx != ZONE_DEVICE))
>  		return;
>  
>  	/*
> -- 
> 2.23.0
> 

-- 
Oscar Salvador
SUSE Labs




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