Re: [PATCH for v5.8 2/3] mm/swap: fix for "mm: workingset: age nonresident information alongside anonymous pages"

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On 6/16/20 8:16 AM, js1304@xxxxxxxxx wrote:
> From: Joonsoo Kim <iamjoonsoo.kim@xxxxxxx>
> 
> Non-file-lru page could also be activated in mark_page_accessed()
> and we need to count this activation for nonresident_age.
> 
> Note that it's better for this patch to be squashed into the patch
> "mm: workingset: age nonresident information alongside anonymous pages".

Agreed.

> Signed-off-by: Joonsoo Kim <iamjoonsoo.kim@xxxxxxx>

Acked-by: Vlastimil Babka <vbabka@xxxxxxx>

> ---
>  mm/swap.c | 3 +--
>  1 file changed, 1 insertion(+), 2 deletions(-)
> 
> diff --git a/mm/swap.c b/mm/swap.c
> index 667133d..c5d5114 100644
> --- a/mm/swap.c
> +++ b/mm/swap.c
> @@ -443,8 +443,7 @@ void mark_page_accessed(struct page *page)
>  		else
>  			__lru_cache_activate_page(page);
>  		ClearPageReferenced(page);
> -		if (page_is_file_lru(page))
> -			workingset_activation(page);
> +		workingset_activation(page);
>  	}
>  	if (page_is_idle(page))
>  		clear_page_idle(page);
> 





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