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

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Remove unused addr in __page_table_check_pud_clear and
page_table_check_pud_clear.

Link: https://lkml.kernel.org/r/20230713172636.1705415-6-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 01:26:33 +08:00 committed by Andrew Morton
parent 1831414cd7
commit 931c38e164
4 changed files with 8 additions and 12 deletions
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2
arch/x86/include/asm/pgtable.h
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@ -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); 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; return pud;
} }

11
include/linux/page_table_check.h
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@ -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_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, 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, void __page_table_check_pud_clear(struct mm_struct *mm, 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,
pte_t *ptep, pte_t pte); pte_t *ptep, pte_t pte);
void __page_table_check_pmd_set(struct mm_struct *mm, unsigned long addr, 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); __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, pud_t pud)
unsigned long addr, pud_t pud)
{ {
if (static_branch_likely(&page_table_check_disabled)) if (static_branch_likely(&page_table_check_disabled))
return; 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, 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, static inline void page_table_check_pud_clear(struct mm_struct *mm, pud_t pud)
unsigned long addr, pud_t pud)
{ {
} }

2
include/linux/pgtable.h
View File

@ -438,7 +438,7 @@ static inline pud_t pudp_huge_get_and_clear(struct mm_struct *mm,
pud_t pud = *pudp; pud_t pud = *pudp;
pud_clear(pudp); pud_clear(pudp);
page_table_check_pud_clear(mm, address, pud); page_table_check_pud_clear(mm, pud);
return pud; return pud;
} }

5
mm/page_table_check.c
View File

@ -171,8 +171,7 @@ void __page_table_check_pmd_clear(struct mm_struct *mm, pmd_t pmd)
} }
EXPORT_SYMBOL(__page_table_check_pmd_clear); EXPORT_SYMBOL(__page_table_check_pmd_clear);
void __page_table_check_pud_clear(struct mm_struct *mm, unsigned long addr, void __page_table_check_pud_clear(struct mm_struct *mm, pud_t pud)
pud_t pud)
{ {
if (&init_mm == mm) if (&init_mm == mm)
return; return;
@ -217,7 +216,7 @@ void __page_table_check_pud_set(struct mm_struct *mm, unsigned long addr,
if (&init_mm == mm) if (&init_mm == mm)
return; return;
__page_table_check_pud_clear(mm, addr, *pudp); __page_table_check_pud_clear(mm, *pudp);
if (pud_user_accessible_page(pud)) { if (pud_user_accessible_page(pud)) {
page_table_check_set(pud_pfn(pud), PUD_SIZE >> PAGE_SHIFT, page_table_check_set(pud_pfn(pud), PUD_SIZE >> PAGE_SHIFT,
pud_write(pud)); pud_write(pud));