Re: [PATCH] LoongArch: Remove a bogus reference to ZONE_DMA
From: Mike Rapoport
Date: Thu Apr 03 2025 - 10:21:15 EST
On Thu, Apr 03, 2025 at 04:11:25PM +0200, Petr Tesarik wrote:
> Remove dead code. LoongArch does not have a DMA memory zone. The
> architecture does not even define MAX_DMA_PFN.
>
> Signed-off-by: Petr Tesarik <ptesarik@xxxxxxxx>
Reviewed-by: Mike Rapoport (Microsoft) <rppt@xxxxxxxxxx>
> ---
> arch/loongarch/mm/init.c | 3 ---
> 1 file changed, 3 deletions(-)
>
> diff --git a/arch/loongarch/mm/init.c b/arch/loongarch/mm/init.c
> index ca5aa5f46a9f..7fab370efa74 100644
> --- a/arch/loongarch/mm/init.c
> +++ b/arch/loongarch/mm/init.c
> @@ -65,9 +65,6 @@ void __init paging_init(void)
> {
> unsigned long max_zone_pfns[MAX_NR_ZONES];
>
> -#ifdef CONFIG_ZONE_DMA
> - max_zone_pfns[ZONE_DMA] = MAX_DMA_PFN;
> -#endif
> #ifdef CONFIG_ZONE_DMA32
> max_zone_pfns[ZONE_DMA32] = MAX_DMA32_PFN;
> #endif
> --
> 2.48.1
>
--
Sincerely yours,
Mike.