linux-kernel - Re: [PATCH] mm/memcg: Drop swp_entry_t* in mc_handle_file

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Date:   Fri, 17 Sep 2021 12:44:04 +0200
From:   David Hildenbrand <david@...hat.com>
To:     Peter Xu <peterx@...hat.com>, linux-kernel@...r.kernel.org,
        linux-mm@...ck.org
Cc:     Andrew Morton <akpm@...ux-foundation.org>,
        Matthew Wilcox <willy@...radead.org>
Subject: Re: [PATCH] mm/memcg: Drop swp_entry_t* in mc_handle_file_pte()

On 16.09.21 21:30, Peter Xu wrote:
> After the rework of f5df8635c5a3 ("mm: use find_get_incore_page in memcontrol",
> 2020-10-13) it's unused.
> 
> Cc: Matthew Wilcox <willy@...radead.org>
> Signed-off-by: Peter Xu <peterx@...hat.com>
> ---
>   mm/memcontrol.c | 4 ++--
>   1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/mm/memcontrol.c b/mm/memcontrol.c
> index b762215d73eb..12fa08e216a6 100644
> --- a/mm/memcontrol.c
> +++ b/mm/memcontrol.c
> @@ -5555,7 +5555,7 @@ static struct page *mc_handle_swap_pte(struct vm_area_struct *vma,
>   #endif
>   
>   static struct page *mc_handle_file_pte(struct vm_area_struct *vma,
> -			unsigned long addr, pte_t ptent, swp_entry_t *entry)
> +			unsigned long addr, pte_t ptent)
>   {
>   	if (!vma->vm_file) /* anonymous vma */
>   		return NULL;
> @@ -5728,7 +5728,7 @@ static enum mc_target_type get_mctgt_type(struct vm_area_struct *vma,
>   	else if (is_swap_pte(ptent))
>   		page = mc_handle_swap_pte(vma, ptent, &ent);
>   	else if (pte_none(ptent))
> -		page = mc_handle_file_pte(vma, addr, ptent, &ent);
> +		page = mc_handle_file_pte(vma, addr, ptent);
>   
>   	if (!page && !ent.val)
>   		return ret;
> 

Reviewed-by: David Hildenbrand <david@...hat.com>

-- 
Thanks,

David / dhildenb