mm/page_table_check: remove unused parameter in [__]page_table_check_pmd_clear

Remove unused addr in page_table_check_pmd_clear and
__page_table_check_pmd_clear.

Link: https://lkml.kernel.org/r/20230713172636.1705415-5-shikemeng@huaweicloud.com
Signed-off-by: Kemeng Shi <shikemeng@huaweicloud.com>
Cc: Pavel Tatashin <pasha.tatashin@soleen.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

diff --git a/arch/arm64/include/asm/pgtable.h b/arch/arm64/include/asm/pgtable.h
index f7ea51f..6e3387e 100644 (file)
--- a/arch/arm64/include/asm/pgtable.h
+++ b/arch/arm64/include/asm/pgtable.h
@@ -940,7 +940,7 @@ static inline pmd_t pmdp_huge_get_and_clear(struct mm_struct *mm,
 {
        pmd_t pmd = __pmd(xchg_relaxed(&pmd_val(*pmdp), 0));
 
-       page_table_check_pmd_clear(mm, address, pmd);
+       page_table_check_pmd_clear(mm, pmd);
 
        return pmd;
 }

diff --git a/arch/riscv/include/asm/pgtable.h b/arch/riscv/include/asm/pgtable.h
index 5e07312..388c3af 100644 (file)
--- a/arch/riscv/include/asm/pgtable.h
+++ b/arch/riscv/include/asm/pgtable.h
@@ -742,7 +742,7 @@ static inline pmd_t pmdp_huge_get_and_clear(struct mm_struct *mm,
 {
        pmd_t pmd = __pmd(atomic_long_xchg((atomic_long_t *)pmdp, 0));
 
-       page_table_check_pmd_clear(mm, address, pmd);
+       page_table_check_pmd_clear(mm, pmd);
 
        return pmd;
 }

diff --git a/arch/x86/include/asm/pgtable.h b/arch/x86/include/asm/pgtable.h
index 5085e83..5d71f93 100644 (file)
--- a/arch/x86/include/asm/pgtable.h
+++ b/arch/x86/include/asm/pgtable.h
@@ -1133,7 +1133,7 @@ static inline pmd_t pmdp_huge_get_and_clear(struct mm_struct *mm, unsigned long
 {
        pmd_t pmd = native_pmdp_get_and_clear(pmdp);
 
-       page_table_check_pmd_clear(mm, addr, pmd);
+       page_table_check_pmd_clear(mm, pmd);
 
        return pmd;
 }

diff --git a/include/linux/page_table_check.h b/include/linux/page_table_check.h
index 35c53c4..0f777bc 100644 (file)
--- a/include/linux/page_table_check.h
+++ b/include/linux/page_table_check.h
@@ -15,8 +15,7 @@ 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, unsigned long addr,
-                                 pmd_t pmd);
+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_pte_set(struct mm_struct *mm, unsigned long addr,
@@ -53,13 +52,12 @@ static inline void page_table_check_pte_clear(struct mm_struct *mm, pte_t pte)
        __page_table_check_pte_clear(mm, pte);
 }
 
-static inline void page_table_check_pmd_clear(struct mm_struct *mm,
-                                             unsigned long addr, pmd_t pmd)
+static inline void page_table_check_pmd_clear(struct mm_struct *mm, pmd_t pmd)
 {
        if (static_branch_likely(&page_table_check_disabled))
                return;
 
-       __page_table_check_pmd_clear(mm, addr, pmd);
+       __page_table_check_pmd_clear(mm, pmd);
 }
 
 static inline void page_table_check_pud_clear(struct mm_struct *mm,
@@ -125,8 +123,7 @@ static inline void page_table_check_pte_clear(struct mm_struct *mm, pte_t pte)
 {
 }
 
-static inline void page_table_check_pmd_clear(struct mm_struct *mm,
-                                             unsigned long addr, pmd_t pmd)
+static inline void page_table_check_pmd_clear(struct mm_struct *mm, pmd_t pmd)
 {
 }
 

diff --git a/include/linux/pgtable.h b/include/linux/pgtable.h
index a1ccb13..3edef5e 100644 (file)
--- a/include/linux/pgtable.h
+++ b/include/linux/pgtable.h
@@ -425,7 +425,7 @@ static inline pmd_t pmdp_huge_get_and_clear(struct mm_struct *mm,
        pmd_t pmd = *pmdp;
 
        pmd_clear(pmdp);
-       page_table_check_pmd_clear(mm, address, pmd);
+       page_table_check_pmd_clear(mm, pmd);
 
        return pmd;
 }

diff --git a/mm/page_table_check.c b/mm/page_table_check.c
index a1015fc..51f2274 100644 (file)
--- a/mm/page_table_check.c
+++ b/mm/page_table_check.c
@@ -160,8 +160,7 @@ void __page_table_check_pte_clear(struct mm_struct *mm, pte_t pte)
 }
 EXPORT_SYMBOL(__page_table_check_pte_clear);
 
-void __page_table_check_pmd_clear(struct mm_struct *mm, unsigned long addr,
-                                 pmd_t pmd)
+void __page_table_check_pmd_clear(struct mm_struct *mm, pmd_t pmd)
 {
        if (&init_mm == mm)
                return;
@@ -204,7 +203,7 @@ void __page_table_check_pmd_set(struct mm_struct *mm, unsigned long addr,
        if (&init_mm == mm)
                return;
 
-       __page_table_check_pmd_clear(mm, addr, *pmdp);
+       __page_table_check_pmd_clear(mm, *pmdp);
        if (pmd_user_accessible_page(pmd)) {
                page_table_check_set(pmd_pfn(pmd), PMD_SIZE >> PAGE_SHIFT,
                                     pmd_write(pmd));