Re: [PATCH] xtensa: annotate dtb_start variable as static __initdata
From: Masahiro Yamada
Date: Wed Nov 06 2024 - 11:52:12 EST
On Wed, Sep 18, 2024 at 12:15 PM Masahiro Yamada <masahiroy@xxxxxxxxxx> wrote:
>
> The 'dtb_start' variable is only used within arch/xtensa/kernel/setup.c.
> Mark it as 'static'.
>
> It is only used by parse_tag_fdt() and init_arch(), both of which are
> annotated as __init. Therefore, dtb_start can be annotated as __initdata,
> so it will discarded after boot.
>
> Signed-off-by: Masahiro Yamada <masahiroy@xxxxxxxxxx>
> ---
Ping?
>
> arch/xtensa/kernel/setup.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/arch/xtensa/kernel/setup.c b/arch/xtensa/kernel/setup.c
> index bdec4a773af0..3e076b64cc61 100644
> --- a/arch/xtensa/kernel/setup.c
> +++ b/arch/xtensa/kernel/setup.c
> @@ -55,7 +55,7 @@ extern int initrd_below_start_ok;
> #endif
>
> #ifdef CONFIG_USE_OF
> -void *dtb_start = __dtb_start;
> +static void *dtb_start __initdata = __dtb_start;
> #endif
>
> extern unsigned long loops_per_jiffy;
> --
> 2.43.0
>
--
Best Regards
Masahiro Yamada