linux-kernel - [PATCH] LoongArch: Remove a bogus reference to ZONE

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Message-ID: <20250403141125.271047-1-ptesarik@suse.com>
Date: Thu,  3 Apr 2025 16:11:25 +0200
From: Petr Tesarik <ptesarik@...e.com>
To: Huacai Chen <chenhuacai@...nel.org>,
	WANG Xuerui <kernel@...0n.name>,
	Guo Weikang <guoweikang.kernel@...il.com>
Cc: "Mike Rapoport (Microsoft)" <rppt@...nel.org>,
	Bibo Mao <maobibo@...ngson.cn>,
	loongarch@...ts.linux.dev,
	linux-kernel@...r.kernel.org,
	Petr Tesarik <ptesarik@...e.com>
Subject: [PATCH] LoongArch: Remove a bogus reference to ZONE_DMA

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@...e.com>
---
 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