linux-kernel - [PATCH 5/8] mm/page_table_check: remove unused parameter in [__]page_table_check_pud

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Date:   Fri, 14 Jul 2023 01:26:33 +0800
From:   Kemeng Shi <shikemeng@...weicloud.com>
To:     pasha.tatashin@...een.com, akpm@...ux-foundation.org,
        linux-mm@...ck.org, linux-kernel@...r.kernel.org
Cc:     shikemeng@...weicloud.com
Subject: [PATCH 5/8] mm/page_table_check: remove unused parameter in [__]page_table_check_pud_clear

Remove unused addr in __page_table_check_pud_clear and
page_table_check_pud_clear.

Signed-off-by: Kemeng Shi <shikemeng@...weicloud.com>
---
 arch/x86/include/asm/pgtable.h   |  2 +-
 include/linux/page_table_check.h | 11 ++++-------
 include/linux/pgtable.h          |  2 +-
 mm/page_table_check.c            |  5 ++---
 4 files changed, 8 insertions(+), 12 deletions(-)

diff --git a/arch/x86/include/asm/pgtable.h b/arch/x86/include/asm/pgtable.h
index 5d71f933d933..f07c610c3458 100644
--- a/arch/x86/include/asm/pgtable.h
+++ b/arch/x86/include/asm/pgtable.h
@@ -1144,7 +1144,7 @@ static inline pud_t pudp_huge_get_and_clear(struct mm_struct *mm,
 {
 	pud_t pud = native_pudp_get_and_clear(pudp);
 
-	page_table_check_pud_clear(mm, addr, pud);
+	page_table_check_pud_clear(mm, pud);
 
 	return pud;
 }
diff --git a/include/linux/page_table_check.h b/include/linux/page_table_check.h
index 0f777bca5283..5c9dc848a1bc 100644
--- a/include/linux/page_table_check.h
+++ b/include/linux/page_table_check.h
@@ -16,8 +16,7 @@ extern struct page_ext_operations page_table_check_ops;
 void __page_table_check_zero(struct page *page, unsigned int order);
 void __page_table_check_pte_clear(struct mm_struct *mm, pte_t pte);
 void __page_table_check_pmd_clear(struct mm_struct *mm, pmd_t pmd);
-void __page_table_check_pud_clear(struct mm_struct *mm, unsigned long addr,
-				  pud_t pud);
+void __page_table_check_pud_clear(struct mm_struct *mm, pud_t pud);
 void __page_table_check_pte_set(struct mm_struct *mm, unsigned long addr,
 				pte_t *ptep, pte_t pte);
 void __page_table_check_pmd_set(struct mm_struct *mm, unsigned long addr,
@@ -60,13 +59,12 @@ static inline void page_table_check_pmd_clear(struct mm_struct *mm, pmd_t pmd)
 	__page_table_check_pmd_clear(mm, pmd);
 }
 
-static inline void page_table_check_pud_clear(struct mm_struct *mm,
-					      unsigned long addr, pud_t pud)
+static inline void page_table_check_pud_clear(struct mm_struct *mm, pud_t pud)
 {
 	if (static_branch_likely(&page_table_check_disabled))
 		return;
 
-	__page_table_check_pud_clear(mm, addr, pud);
+	__page_table_check_pud_clear(mm, pud);
 }
 
 static inline void page_table_check_pte_set(struct mm_struct *mm,
@@ -127,8 +125,7 @@ static inline void page_table_check_pmd_clear(struct mm_struct *mm, pmd_t pmd)
 {
 }
 
-static inline void page_table_check_pud_clear(struct mm_struct *mm,
-					      unsigned long addr, pud_t pud)
+static inline void page_table_check_pud_clear(struct mm_struct *mm, pud_t pud)
 {
 }
 
diff --git a/include/linux/pgtable.h b/include/linux/pgtable.h
index 3edef5ed008f..5f36c055794b 100644
--- a/include/linux/pgtable.h
+++ b/include/linux/pgtable.h
@@ -438,7 +438,7 @@ static inline pud_t pudp_huge_get_and_clear(struct mm_struct *mm,
 	pud_t pud = *pudp;
 
 	pud_clear(pudp);
-	page_table_check_pud_clear(mm, address, pud);
+	page_table_check_pud_clear(mm, pud);
 
 	return pud;
 }
diff --git a/mm/page_table_check.c b/mm/page_table_check.c
index 51f2274c0a20..2643135bf45c 100644
--- a/mm/page_table_check.c
+++ b/mm/page_table_check.c
@@ -171,8 +171,7 @@ void __page_table_check_pmd_clear(struct mm_struct *mm, pmd_t pmd)
 }
 EXPORT_SYMBOL(__page_table_check_pmd_clear);
 
-void __page_table_check_pud_clear(struct mm_struct *mm, unsigned long addr,
-				  pud_t pud)
+void __page_table_check_pud_clear(struct mm_struct *mm, pud_t pud)
 {
 	if (&init_mm == mm)
 		return;
@@ -217,7 +216,7 @@ void __page_table_check_pud_set(struct mm_struct *mm, unsigned long addr,
 	if (&init_mm == mm)
 		return;
 
-	__page_table_check_pud_clear(mm, addr, *pudp);
+	__page_table_check_pud_clear(mm, *pudp);
 	if (pud_user_accessible_page(pud)) {
 		page_table_check_set(pud_pfn(pud), PUD_SIZE >> PAGE_SHIFT,
 				     pud_write(pud));
-- 
2.30.0