Re: [PATCH] mm/cma: remove stray newline from auto-generated CMA area name

On Mon, Aug 10, 2026 at 05:32:15PM +0800, Hongfu Li wrote:
> From: Hongfu Li <[email protected]>
>
> When no name is supplied, cma_new_area() generates names with format
> "cma%d\n", introducing an unintended newline character ('\n') in the
> CMA name.
>
> Most CMA regions are created with explicit names, so this path is
> seldom hit. The newline only creates cosmetic noise in debug logs,
> traces and debugfs with no functional impact.
>
> Signed-off-by: Hongfu Li <[email protected]>

LGTM so:

Reviewed-by: Lorenzo Stoakes (ARM) <[email protected]>

> ---
>  mm/cma.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/mm/cma.c b/mm/cma.c
> index a7929c758df1..a10ea37a261d 100644
> --- a/mm/cma.c
> +++ b/mm/cma.c
> @@ -242,7 +242,7 @@ static int __init cma_new_area(const char *name, phys_addr_t size,
>  	if (name)
>  		strscpy(cma->name, name);
>  	else
> -		snprintf(cma->name, CMA_MAX_NAME,  "cma%d\n", cma_area_count);
> +		snprintf(cma->name, CMA_MAX_NAME, "cma%d", cma_area_count);

Ha :) I think somebody typo'd this on muscle memory gained from printk :)

>
>  	cma->available_count = cma->count = size >> PAGE_SHIFT;
>  	cma->order_per_bit = order_per_bit;
> --
> 2.54.0
>

--
Cheers, Lorenzo