[PATCH 5/8] mm/page_table_check: remove unused parameter in [__]page_table_check_pud_clear

From: Kemeng Shi
Date: Thu Jul 13 2023 - 05:26:37 EST


Remove unused addr in __page_table_check_pud_clear and
page_table_check_pud_clear.

Signed-off-by: Kemeng Shi <shikemeng@xxxxxxxxxxxxxxx>
---
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