Re: [PATCH] mm/page_reporting: use list_entry_is_head() in page_reporting_cycle()

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On 22.12.20 19:27, sh wrote:
> replace '&next->lru != list' with list_entry_is_head().
> No functional change.
> 
> Signed-off-by: sh <sh_def@xxxxxxx>
> ---
>  mm/page_reporting.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/mm/page_reporting.c b/mm/page_reporting.c
> index cd8e13d41df4..c50d93ffa252 100644
> --- a/mm/page_reporting.c
> +++ b/mm/page_reporting.c
> @@ -211,7 +211,7 @@ page_reporting_cycle(struct page_reporting_dev_info *prdev, struct zone *zone,
>  	}
>  
>  	/* Rotate any leftover pages to the head of the freelist */
> -	if (&next->lru != list && !list_is_first(&next->lru, list))
> +	if (!list_entry_is_head(next, list, lru) && !list_is_first(&next->lru, list))
>  		list_rotate_to_front(&next->lru, list);
>  
>  	spin_unlock_irq(&zone->lock);
> 

LGTM

Reviewed-by: David Hildenbrand <david@xxxxxxxxxx>

-- 
Thanks,

David / dhildenb





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