Re: [PATCH v2 2/5] mm/migrate.c: remove unnecessary rc != MIGRATEPAGE_SUCCESS check in 'else' case

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Tue, Mar 23, 2021 at 6:54 AM Miaohe Lin <linmiaohe@xxxxxxxxxx> wrote:
>
> It's guaranteed that in the 'else' case of the rc == MIGRATEPAGE_SUCCESS
> check, rc does not equal to MIGRATEPAGE_SUCCESS. Remove this unnecessary
> check.

Reviewed-by: Yang Shi <shy828301@xxxxxxxxx>

>
> Reviewed-by: David Hildenbrand <david@xxxxxxxxxx>
> Signed-off-by: Miaohe Lin <linmiaohe@xxxxxxxxxx>
> ---
>  mm/migrate.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/mm/migrate.c b/mm/migrate.c
> index facec65c7374..97da1fabdf72 100644
> --- a/mm/migrate.c
> +++ b/mm/migrate.c
> @@ -1374,7 +1374,7 @@ static int unmap_and_move_huge_page(new_page_t get_new_page,
>  out:
>         if (rc == MIGRATEPAGE_SUCCESS)
>                 putback_active_hugepage(hpage);
> -       else if (rc != -EAGAIN && rc != MIGRATEPAGE_SUCCESS)
> +       else if (rc != -EAGAIN)
>                 list_move_tail(&hpage->lru, ret);
>
>         /*
> --
> 2.19.1
>




[Index of Archives]     [Linux ARM Kernel]     [Linux ARM]     [Linux Omap]     [Fedora ARM]     [IETF Annouce]     [Bugtraq]     [Linux OMAP]     [Linux MIPS]     [eCos]     [Asterisk Internet PBX]     [Linux API]

  Powered by Linux