linux-kernel - Re: [PATCH 2/3] mm/memory-failure.c: minor cleanup for HWPoisonHandlable

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Date:   Mon, 11 Apr 2022 13:14:13 +0000
From:   HORIGUCHI NAOYA(堀口　直也) 
        <naoya.horiguchi@....com>
To:     Miaohe Lin <linmiaohe@...wei.com>
CC:     "akpm@...ux-foundation.org" <akpm@...ux-foundation.org>,
        "shy828301@...il.com" <shy828301@...il.com>,
        "mike.kravetz@...cle.com" <mike.kravetz@...cle.com>,
        "david@...hat.com" <david@...hat.com>,
        "linux-mm@...ck.org" <linux-mm@...ck.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 2/3] mm/memory-failure.c: minor cleanup for
 HWPoisonHandlable

On Thu, Apr 07, 2022 at 09:03:51PM +0800, Miaohe Lin wrote:
> The local variable movable can be removed by returning true directly. Also
> fix typo 'mirgate'. No functional change intended.
> 
> Signed-off-by: Miaohe Lin <linmiaohe@...wei.com>

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

> ---
>  mm/memory-failure.c | 8 +++-----
>  1 file changed, 3 insertions(+), 5 deletions(-)
> 
> diff --git a/mm/memory-failure.c b/mm/memory-failure.c
> index 2e97302d62e4..bd563f47630c 100644
> --- a/mm/memory-failure.c
> +++ b/mm/memory-failure.c
> @@ -1180,13 +1180,11 @@ void ClearPageHWPoisonTakenOff(struct page *page)
>   */
>  static inline bool HWPoisonHandlable(struct page *page, unsigned long flags)
>  {
> -	bool movable = false;
> -
> -	/* Soft offline could mirgate non-LRU movable pages */
> +	/* Soft offline could migrate non-LRU movable pages */
>  	if ((flags & MF_SOFT_OFFLINE) && __PageMovable(page))
> -		movable = true;
> +		return true;
>  
> -	return movable || PageLRU(page) || is_free_buddy_page(page);
> +	return PageLRU(page) || is_free_buddy_page(page);
>  }
>  
>  static int __get_hwpoison_page(struct page *page, unsigned long flags)
> -- 
> 2.23.0