Re: [PATCH] mm/hugetlb: move hugetlb_sysctl_init() to the __init section

From: Anshuman Khandual
Date: Wed Mar 19 2025 - 02:28:04 EST



On 3/19/25 11:30, marc.herbert@xxxxxxxxxxxxxxx wrote:
> From: Marc Herbert <Marc.Herbert@xxxxxxxxxxxxxxx>
>
> hugetlb_sysctl_init() is only invoked once by an __init function and is
> merely a wrapper around another __init function so there is not reason
> to keep it.
>
> Fixes the following warning when toning down some GCC inline options:
>
> WARNING: modpost: vmlinux: section mismatch in reference:
> hugetlb_sysctl_init+0x1b (section: .text) ->
> __register_sysctl_init (section: .init.text)
>
> Signed-off-by: Marc Herbert <Marc.Herbert@xxxxxxxxxxxxxxx>
> ---
> mm/hugetlb.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/mm/hugetlb.c b/mm/hugetlb.c
> index 65068671e460..a2850b26aed9 100644
> --- a/mm/hugetlb.c
> +++ b/mm/hugetlb.c
> @@ -4900,7 +4900,7 @@ static const struct ctl_table hugetlb_table[] = {
> },
> };
>
> -static void hugetlb_sysctl_init(void)
> +static void __init hugetlb_sysctl_init(void)
> {
> register_sysctl_init("vm", hugetlb_table);
> }

LGTM

Reviewed-by: Anshuman Khandual <anshuman.khandual@xxxxxxx>