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

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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>
This commit is contained in:
Kemeng Shi 2023-07-14 01:26:32 +08:00 committed by Andrew Morton
parent aa232204c4
commit 1831414cd7
6 changed files with 10 additions and 14 deletions
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2
arch/arm64/include/asm/pgtable.h
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@ -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)); 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; return pmd;
} }

2
arch/riscv/include/asm/pgtable.h
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@ -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)); 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; return pmd;
} }

2
arch/x86/include/asm/pgtable.h
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@ -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); 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; return pmd;
} }

11
include/linux/page_table_check.h
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@ -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_zero(struct page *page, unsigned int order);
void __page_table_check_pte_clear(struct mm_struct *mm, pte_t pte); 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, void __page_table_check_pmd_clear(struct mm_struct *mm, pmd_t pmd);
pmd_t pmd);
void __page_table_check_pud_clear(struct mm_struct *mm, unsigned long addr, void __page_table_check_pud_clear(struct mm_struct *mm, unsigned long addr,
pud_t pud); pud_t pud);
void __page_table_check_pte_set(struct mm_struct *mm, unsigned long addr, 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); __page_table_check_pte_clear(mm, pte);
} }
static inline void page_table_check_pmd_clear(struct mm_struct *mm, static inline void page_table_check_pmd_clear(struct mm_struct *mm, pmd_t pmd)
unsigned long addr, pmd_t pmd)
{ {
if (static_branch_likely(&page_table_check_disabled)) if (static_branch_likely(&page_table_check_disabled))
return; 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, 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, static inline void page_table_check_pmd_clear(struct mm_struct *mm, pmd_t pmd)
unsigned long addr, pmd_t pmd)
{ {
} }

2
include/linux/pgtable.h
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@ -425,7 +425,7 @@ static inline pmd_t pmdp_huge_get_and_clear(struct mm_struct *mm,
pmd_t pmd = *pmdp; pmd_t pmd = *pmdp;
pmd_clear(pmdp); pmd_clear(pmdp);
page_table_check_pmd_clear(mm, address, pmd); page_table_check_pmd_clear(mm, pmd);
return pmd; return pmd;
} }

5
mm/page_table_check.c
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@ -160,8 +160,7 @@ void __page_table_check_pte_clear(struct mm_struct *mm, pte_t pte)
} }
EXPORT_SYMBOL(__page_table_check_pte_clear); EXPORT_SYMBOL(__page_table_check_pte_clear);
void __page_table_check_pmd_clear(struct mm_struct *mm, unsigned long addr, void __page_table_check_pmd_clear(struct mm_struct *mm, pmd_t pmd)
pmd_t pmd)
{ {
if (&init_mm == mm) if (&init_mm == mm)
return; return;
@ -204,7 +203,7 @@ void __page_table_check_pmd_set(struct mm_struct *mm, unsigned long addr,
if (&init_mm == mm) if (&init_mm == mm)
return; return;
__page_table_check_pmd_clear(mm, addr, *pmdp); __page_table_check_pmd_clear(mm, *pmdp);
if (pmd_user_accessible_page(pmd)) { if (pmd_user_accessible_page(pmd)) {
page_table_check_set(pmd_pfn(pmd), PMD_SIZE >> PAGE_SHIFT, page_table_check_set(pmd_pfn(pmd), PMD_SIZE >> PAGE_SHIFT,
pmd_write(pmd)); pmd_write(pmd));