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

From: Anshuman Khandual
Date: Tue Sep 13 2022 - 04:49:43 EST




On 9/9/22 14:54, 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>

Reviewed-by: Anshuman Khandual <anshuman.khandual@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;
>
> /*