Re: [PATCH] mm/khugepaged: make khugepaged_collapse_control static
From: Lorenzo Stoakes
Date: Mon Jan 12 2026 - 11:34:01 EST
On Mon, Jan 12, 2026 at 04:18:20PM +0000, Ben Dooks wrote:
> Make khugepaged_collapse_control as it is not exported.
> Fixes the following sparse warning:
>
> mm/khugepaged.c:829:25: warning: symbol 'khugepaged_collapse_control' was not declared. Should it be static?
Thanks for the patch, but sorry to say that this has already been addressed in
[0].
[0]: https://lore.kernel.org/all/20251224111351.41042-14-shivankg@xxxxxxx/
>
> Fixes: 34d6b470ab9cf ("mm/khugepaged: add struct collapse_control")
(Small note: for something like this that isn't fixing an actual bug we don't
use a fixes like this).
> Signed-off-by: Ben Dooks <ben.dooks@xxxxxxxxxxxxxxx>
> ---
> mm/khugepaged.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/mm/khugepaged.c b/mm/khugepaged.c
> index 97d1b2824386..c9bd0df632bd 100644
> --- a/mm/khugepaged.c
> +++ b/mm/khugepaged.c
> @@ -826,7 +826,7 @@ static void khugepaged_alloc_sleep(void)
> remove_wait_queue(&khugepaged_wait, &wait);
> }
>
> -struct collapse_control khugepaged_collapse_control = {
> +static struct collapse_control khugepaged_collapse_control = {
> .is_khugepaged = true,
> };
>
> --
> 2.37.2.352.g3c44437643
>
Cheers, Lorenzo