Re: [PATCH mm-unstable v5 05/10] mm/hugetlb: convert update_and_free_page() to folios

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On 11/29/22 14:50, Sidhartha Kumar wrote:
> Make more progress on converting the free_huge_page() destructor to
> operate on folios by converting update_and_free_page() to folios.
> 
> Signed-off-by: Sidhartha Kumar <sidhartha.kumar@xxxxxxxxxx>
> ---
>  mm/hugetlb.c | 30 ++++++++++++++++--------------
>  1 file changed, 16 insertions(+), 14 deletions(-)
> 
> diff --git a/mm/hugetlb.c b/mm/hugetlb.c
> index 90ba01a76f87..83777d1ccbf3 100644
> --- a/mm/hugetlb.c
> +++ b/mm/hugetlb.c
<snip>

Minor nit, not worth fixing now.  But, we should cleanup sometime.  Comments
below still refer to pages when we are operating on folios.

Reviewed-by: Mike Kravetz <mike.kravetz@xxxxxxxxxx>
-- 
Mike Kravetz

> @@ -2818,7 +2820,7 @@ static int alloc_and_dissolve_huge_page(struct hstate *h, struct page *old_page,
>  		 * Pages have been replaced, we can safely free the old one.
>  		 */
>  		spin_unlock_irq(&hugetlb_lock);
> -		update_and_free_page(h, old_page, false);
> +		update_and_free_hugetlb_folio(h, old_folio, false);
>  	}
>  
>  	return ret;
> @@ -2827,7 +2829,7 @@ static int alloc_and_dissolve_huge_page(struct hstate *h, struct page *old_page,
>  	spin_unlock_irq(&hugetlb_lock);
>  	/* Page has a zero ref count, but needs a ref to be freed */
>  	folio_ref_unfreeze(new_folio, 1);
> -	update_and_free_page(h, new_page, false);
> +	update_and_free_hugetlb_folio(h, new_folio, false);
>  
>  	return ret;
>  }
> -- 
> 2.38.1
> 




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