Re: [PATCH] arch_numa: remove redundant nodemask clears in numa_init()

[Mike Rapoport <rppt@kernel.org>]

On Thu, Jun 18, 2026 at 01:39:19AM +0900, Sang-Heon Jeon wrote:
> numa_init() clears numa_nodes_parsed, node_possible_map and
> node_online_map, then calls numa_memblks_init(), which clears the same
> nodemasks. Nothing uses them in between.
> 
> These clears have been redundant since commit 767507654c22 ("arch_numa:
> switch over to numa_memblks") made numa_init() use numa_memblks_init().
> 
> No functional change.
> 
> Signed-off-by: Sang-Heon Jeon <ekffu200098@gmail.com>

Reviewed-by: Mike Rapoport (Microsoft) <rppt@kernel.org>

> ---
>  drivers/base/arch_numa.c | 4 ----
>  1 file changed, 4 deletions(-)
> 
> diff --git a/drivers/base/arch_numa.c b/drivers/base/arch_numa.c
> index c99f2ab105e5..442ea239bba7 100644
> --- a/drivers/base/arch_numa.c
> +++ b/drivers/base/arch_numa.c
> @@ -231,10 +231,6 @@ static int __init numa_init(int (*init_func)(void))
>  {
>  	int ret;
>  
> -	nodes_clear(numa_nodes_parsed);
> -	nodes_clear(node_possible_map);
> -	nodes_clear(node_online_map);
> -
>  	ret = numa_memblks_init(init_func, /* memblock_force_top_down */ false);
>  	if (ret < 0)
>  		goto out_free_distance;
> -- 
> 2.43.0
> 

-- 
Sincerely yours,
Mike.