linux-kernel - Re: [PATCH] csky: use generic free_initrd

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Date:   Wed, 28 Aug 2019 22:12:52 +0800
From:   Guo Ren <guoren@...nel.org>
To:     Mike Rapoport <rppt@...ux.ibm.com>
Cc:     linux-csky@...r.kernel.org,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] csky: use generic free_initrd_mem()

Acked-by: Guo Ren <guoren@...nel.org>

On Wed, Aug 28, 2019 at 9:35 PM Mike Rapoport <rppt@...ux.ibm.com> wrote:
>
> The csky implementation of free_initrd_mem() is an open-coded version of
> free_reserved_area() without poisoning.
>
> Remove it and make csky use the generic version of free_initrd_mem().
>
> Signed-off-by: Mike Rapoport <rppt@...ux.ibm.com>
> ---
>  arch/csky/mm/init.c | 16 ----------------
>  1 file changed, 16 deletions(-)
>
> diff --git a/arch/csky/mm/init.c b/arch/csky/mm/init.c
> index eb0dc9e..d4c2292 100644
> --- a/arch/csky/mm/init.c
> +++ b/arch/csky/mm/init.c
> @@ -60,22 +60,6 @@ void __init mem_init(void)
>         mem_init_print_info(NULL);
>  }
>
> -#ifdef CONFIG_BLK_DEV_INITRD
> -void free_initrd_mem(unsigned long start, unsigned long end)
> -{
> -       if (start < end)
> -               pr_info("Freeing initrd memory: %ldk freed\n",
> -                       (end - start) >> 10);
> -
> -       for (; start < end; start += PAGE_SIZE) {
> -               ClearPageReserved(virt_to_page(start));
> -               init_page_count(virt_to_page(start));
> -               free_page(start);
> -               totalram_pages_inc();
> -       }
> -}
> -#endif
> -
>  extern char __init_begin[], __init_end[];
>
>  void free_initmem(void)
> --
> 2.7.4
>


-- 
Best Regards
 Guo Ren

ML: https://lore.kernel.org/linux-csky/