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

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Date:   Fri, 8 Apr 2022 10:33:43 -0700
From:   Yang Shi <shy828301@...il.com>
To:     Miaohe Lin <linmiaohe@...wei.com>
Cc:     Andrew Morton <akpm@...ux-foundation.org>,
        HORIGUCHI NAOYA(堀口 直也) 
        <naoya.horiguchi@....com>, Mike Kravetz <mike.kravetz@...cle.com>,
        David Hildenbrand <david@...hat.com>,
        Linux MM <linux-mm@...ck.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 2/3] mm/memory-failure.c: minor cleanup for HWPoisonHandlable

On Thu, Apr 7, 2022 at 6:03 AM Miaohe Lin <linmiaohe@...wei.com> 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>

Reviewed-by: Yang Shi <shy828301@...il.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
>