linux-kernel - [PATCH 6.1/6.6/6.12] LoongArch: Eliminate superfluous get_numa_distances

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Message-ID: <BE39E39147C04E96+20250422082006.89643-1-wangyuli@uniontech.com>
Date: Tue, 22 Apr 2025 16:20:06 +0800
From: WangYuli <wangyuli@...ontech.com>
To: gregkh@...uxfoundation.org,
	sashal@...nel.org,
	stable@...r.kernel.org
Cc: chenhuacai@...nel.org,
	kernel@...0n.name,
	wangyuli@...ontech.com,
	maobibo@...ngson.cn,
	loongarch@...ts.linux.dev,
	linux-kernel@...r.kernel.org,
	Huacai Chen <chenhuacai@...ngson.cn>
Subject: [PATCH 6.1/6.6/6.12] LoongArch: Eliminate superfluous get_numa_distances_cnt()

From: Yuli Wang <wangyuli@...ontech.com>

[ Upstream commit a0d3c8bcb9206ac207c7ad3182027c6b0a1319bb ]

In LoongArch, get_numa_distances_cnt() isn't in use, resulting in a
compiler warning.

Fix follow errors with clang-18 when W=1e:

arch/loongarch/kernel/acpi.c:259:28: error: unused function 'get_numa_distances_cnt' [-Werror,-Wunused-function]
  259 | static inline unsigned int get_numa_distances_cnt(struct acpi_table_slit *slit)
      |                            ^~~~~~~~~~~~~~~~~~~~~~
1 error generated.

Link: https://lore.kernel.org/all/Z7bHPVUH4lAezk0E@kernel.org/
Signed-off-by: Yuli Wang <wangyuli@...ontech.com>
Signed-off-by: Huacai Chen <chenhuacai@...ngson.cn>
---
 arch/loongarch/kernel/acpi.c | 12 ------------
 1 file changed, 12 deletions(-)

diff --git a/arch/loongarch/kernel/acpi.c b/arch/loongarch/kernel/acpi.c
index 382a09a7152c..1120ac2824f6 100644
--- a/arch/loongarch/kernel/acpi.c
+++ b/arch/loongarch/kernel/acpi.c
@@ -249,18 +249,6 @@ static __init int setup_node(int pxm)
 	return acpi_map_pxm_to_node(pxm);
 }
 
-/*
- * Callback for SLIT parsing.  pxm_to_node() returns NUMA_NO_NODE for
- * I/O localities since SRAT does not list them.  I/O localities are
- * not supported at this point.
- */
-unsigned int numa_distance_cnt;
-
-static inline unsigned int get_numa_distances_cnt(struct acpi_table_slit *slit)
-{
-	return slit->locality_count;
-}
-
 void __init numa_set_distance(int from, int to, int distance)
 {
 	if ((u8)distance != distance || (from == to && distance != LOCAL_DISTANCE)) {
-- 
2.49.0