Re: [PATCH 1/1] mm: vmalloc: Mark vmap_init_free_space() with __init tag

[Anshuman Khandual]

On 1/11/24 18:56, Uladzislau Rezki (Sony) wrote:
> The vmap_init_free_space() function is called only once
> therefore tag it with __init. Apart of that it access the
> "vmlist" variable that is located in ".init.data" section.
> 
> Reported-by: kernel test robot <lkp@xxxxxxxxx>
> Closes: https://lore.kernel.org/oe-kbuild-all/202401112056.I41bELL4-lkp@xxxxxxxxx/
> Fixes: 86817057732 ("mm: vmalloc: remove global vmap_area_root rb-tree")
> Signed-off-by: Uladzislau Rezki (Sony) <urezki@xxxxxxxxx>
> ---
>  mm/vmalloc.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/mm/vmalloc.c b/mm/vmalloc.c
> index 43a6608e1397..257981e37936 100644
> --- a/mm/vmalloc.c
> +++ b/mm/vmalloc.c
> @@ -4834,7 +4834,7 @@ module_init(proc_vmalloc_init);
>  
>  #endif
>  
> -static void vmap_init_free_space(void)
> +static void __init vmap_init_free_space(void)
>  {
>  	unsigned long vmap_start = 1;
>  	const unsigned long vmap_end = ULONG_MAX;

LGTM

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