Re: [PATCH 1/2] mm: memory-failure: kill soft_offline_free_page()

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On Fri, Aug 19, 2022 at 11:34:01AM +0800, Kefeng Wang wrote:
> Open-code the page_handle_poison() into soft_offline_page() and
> kill unneeded soft_offline_free_page().
> 
> Signed-off-by: Kefeng Wang <wangkefeng.wang@xxxxxxxxxx>

Thank you for sending cleanup patches.
This patch looks good to me,

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

> ---
>  mm/memory-failure.c | 12 +-----------
>  1 file changed, 1 insertion(+), 11 deletions(-)
> 
> diff --git a/mm/memory-failure.c b/mm/memory-failure.c
> index e48f6f6a259d..1a7d6548ccb2 100644
> --- a/mm/memory-failure.c
> +++ b/mm/memory-failure.c
> @@ -2511,16 +2511,6 @@ static int soft_offline_in_use_page(struct page *page)
>  	return __soft_offline_page(page);
>  }
>  
> -static int soft_offline_free_page(struct page *page)
> -{
> -	int rc = 0;
> -
> -	if (!page_handle_poison(page, true, false))
> -		rc = -EBUSY;
> -
> -	return rc;
> -}
> -
>  static void put_ref_page(struct page *page)
>  {
>  	if (page)
> @@ -2598,7 +2588,7 @@ int soft_offline_page(unsigned long pfn, int flags)
>  	if (ret > 0) {
>  		ret = soft_offline_in_use_page(page);
>  	} else if (ret == 0) {
> -		if (soft_offline_free_page(page) && try_again) {
> +		if (!page_handle_poison(page, true, false) && try_again) {
>  			try_again = false;
>  			flags &= ~MF_COUNT_INCREASED;
>  			goto retry;
> -- 
> 2.35.3




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