From: Catalin Marinas <catalin.marinas@arm.com>
Date: Tue, 17 Oct 2023 10:57:55 +0000 (+0100)
Subject: arm64: Mark the 'addr' argument to set_ptes() and __set_pte_at() as unused
X-Git-Tag: microblaze-v6.8~12^2~10^5~5
X-Git-Url: http://git.monstr.eu/?a=commitdiff_plain;h=dba2ff4922b3cf573c25c3886e869258a6076030;p=linux-2.6-microblaze.git

arm64: Mark the 'addr' argument to set_ptes() and __set_pte_at() as unused

This argument is not used by the arm64 implementation. Mark it as
__always_unused and also remove the unnecessary 'addr' increment in
set_ptes().

Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202310140531.BQQwt3NQ-lkp@intel.com/
Cc: Will Deacon <will@kernel.org>
Tested-by: Ryan Roberts <ryan.roberts@arm.com>
Link: https://lore.kernel.org/r/ZS6EvMiJ0QF5INkv@arm.com
---

diff --git a/arch/arm64/include/asm/pgtable.h b/arch/arm64/include/asm/pgtable.h
index 68984ba9ce2a..b19a8aee684c 100644
--- a/arch/arm64/include/asm/pgtable.h
+++ b/arch/arm64/include/asm/pgtable.h
@@ -341,8 +341,9 @@ static inline void __sync_cache_and_tags(pte_t pte, unsigned int nr_pages)
 		mte_sync_tags(pte, nr_pages);
 }
 
-static inline void set_ptes(struct mm_struct *mm, unsigned long addr,
-			      pte_t *ptep, pte_t pte, unsigned int nr)
+static inline void set_ptes(struct mm_struct *mm,
+			    unsigned long __always_unused addr,
+			    pte_t *ptep, pte_t pte, unsigned int nr)
 {
 	page_table_check_ptes_set(mm, ptep, pte, nr);
 	__sync_cache_and_tags(pte, nr);
@@ -353,7 +354,6 @@ static inline void set_ptes(struct mm_struct *mm, unsigned long addr,
 		if (--nr == 0)
 			break;
 		ptep++;
-		addr += PAGE_SIZE;
 		pte_val(pte) += PAGE_SIZE;
 	}
 }
@@ -528,7 +528,8 @@ static inline pmd_t pmd_mkdevmap(pmd_t pmd)
 #define pud_pfn(pud)		((__pud_to_phys(pud) & PUD_MASK) >> PAGE_SHIFT)
 #define pfn_pud(pfn,prot)	__pud(__phys_to_pud_val((phys_addr_t)(pfn) << PAGE_SHIFT) | pgprot_val(prot))
 
-static inline void __set_pte_at(struct mm_struct *mm, unsigned long addr,
+static inline void __set_pte_at(struct mm_struct *mm,
+				unsigned long __always_unused addr,
 				pte_t *ptep, pte_t pte, unsigned int nr)
 {
 	__sync_cache_and_tags(pte, nr);