linux-kernel - [PATCH] arch/sparc: fix unused vaiable warning error

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Message-ID: <20260107064209.15461-1-alexs@kernel.org>
Date: Wed,  7 Jan 2026 14:42:08 +0800
From: alexs@...nel.org
To: "David S. Miller" <davem@...emloft.net>,
	Andreas Larsson <andreas@...sler.com>,
	sparclinux@...r.kernel.org (open list:SPARC + UltraSPARC (sparc/sparc64)),
	linux-kernel@...r.kernel.org (open list)
Cc: linux-kernel@...r.kernel.org,
	Alex Shi <alexs@...nel.org>,
	kernel test robot <lkp@...el.com>,
	sparclinux@...r.kernel.org,
	Matthew Wilcox <willy@...radead.org>,
	Lorenzo Stoakes <lorenzo.stoakes@...cle.com>,
	Qi Zheng <zhengqi.arch@...edance.com>,
	Dave Hansen <dave.hansen@...ux.intel.com>,
	Zi Yan <ziy@...dia.com>,
	Kevin Brodsky <kevin.brodsky@....com>,
	Mike Rapoport <rppt@...nel.org>,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: [PATCH] arch/sparc: fix unused vaiable warning error

From: Alex Shi <alexs@...nel.org>

   arch/sparc/mm/init_64.c: In function 'arch_hugetlb_valid_size':
   arch/sparc/mm/init_64.c:361:24: warning: variable 'hv_pgsz_idx' set but not used [-Wunused-but-set-variable]
     361 |         unsigned short hv_pgsz_idx;
         |                        ^~~~~~~~~~~

Reported-by: kernel test robot <lkp@...el.com>
Signed-off-by: Alex Shi <alexs@...nel.org>
Cc: sparclinux@...r.kernel.org
Cc: Matthew Wilcox  <willy@...radead.org>
Cc: Lorenzo Stoakes <lorenzo.stoakes@...cle.com>
Cc: Qi Zheng <zhengqi.arch@...edance.com>
Cc: Dave Hansen <dave.hansen@...ux.intel.com>
Cc: Zi Yan <ziy@...dia.com>
Cc: Kevin Brodsky <kevin.brodsky@....com>
Cc: Mike Rapoport  <rppt@...nel.org>
Cc: Andrew Morton <akpm@...ux-foundation.org>
Cc: Andreas Larsson <andreas@...sler.com>
Cc: David S. Miller <davem@...emloft.net>
---
 arch/sparc/mm/init_64.c | 6 ------
 1 file changed, 6 deletions(-)

diff --git a/arch/sparc/mm/init_64.c b/arch/sparc/mm/init_64.c
index df9f7c444c39..ba19d23d4040 100644
--- a/arch/sparc/mm/init_64.c
+++ b/arch/sparc/mm/init_64.c
@@ -358,30 +358,24 @@ static void __init pud_huge_patch(void)
 bool __init arch_hugetlb_valid_size(unsigned long size)
 {
 	unsigned int hugepage_shift = ilog2(size);
-	unsigned short hv_pgsz_idx;
 	unsigned int hv_pgsz_mask;
 
 	switch (hugepage_shift) {
 	case HPAGE_16GB_SHIFT:
 		hv_pgsz_mask = HV_PGSZ_MASK_16GB;
-		hv_pgsz_idx = HV_PGSZ_IDX_16GB;
 		pud_huge_patch();
 		break;
 	case HPAGE_2GB_SHIFT:
 		hv_pgsz_mask = HV_PGSZ_MASK_2GB;
-		hv_pgsz_idx = HV_PGSZ_IDX_2GB;
 		break;
 	case HPAGE_256MB_SHIFT:
 		hv_pgsz_mask = HV_PGSZ_MASK_256MB;
-		hv_pgsz_idx = HV_PGSZ_IDX_256MB;
 		break;
 	case HPAGE_SHIFT:
 		hv_pgsz_mask = HV_PGSZ_MASK_4MB;
-		hv_pgsz_idx = HV_PGSZ_IDX_4MB;
 		break;
 	case HPAGE_64K_SHIFT:
 		hv_pgsz_mask = HV_PGSZ_MASK_64K;
-		hv_pgsz_idx = HV_PGSZ_IDX_64K;
 		break;
 	default:
 		hv_pgsz_mask = 0;
-- 
2.43.0