Re: [PATCH 3/4] memory-failure: Convert truncate_error_page() to use folio

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On Tue, Nov 15, 2022 at 06:10:10PM -0800, Vishal Moola (Oracle) wrote:
> Replaces try_to_release_page() with filemap_release_folio(). This change
> is in preparation for the removal of the try_to_release_page() wrapper.
> 
> Signed-off-by: Vishal Moola (Oracle) <vishal.moola@xxxxxxxxx>

Looks good to me, thank you.

Acked-by: Naoya Horiguchi <naoya.horiguchi@xxxxxxx>

> ---
>  mm/memory-failure.c | 5 +++--
>  1 file changed, 3 insertions(+), 2 deletions(-)
> 
> diff --git a/mm/memory-failure.c b/mm/memory-failure.c
> index 145bb561ddb3..92ec9b0e58a3 100644
> --- a/mm/memory-failure.c
> +++ b/mm/memory-failure.c
> @@ -827,12 +827,13 @@ static int truncate_error_page(struct page *p, unsigned long pfn,
>  	int ret = MF_FAILED;
>  
>  	if (mapping->a_ops->error_remove_page) {
> +		struct folio *folio = page_folio(p);
>  		int err = mapping->a_ops->error_remove_page(mapping, p);
>  
>  		if (err != 0) {
>  			pr_info("%#lx: Failed to punch page: %d\n", pfn, err);
> -		} else if (page_has_private(p) &&
> -			   !try_to_release_page(p, GFP_NOIO)) {
> +		} else if (folio_has_private(folio) &&
> +			   !filemap_release_folio(folio, GFP_NOIO)) {
>  			pr_info("%#lx: failed to release buffers\n", pfn);
>  		} else {
>  			ret = MF_RECOVERED;
> -- 
> 2.38.1




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