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

Remove unused addr in page_table_check_pte_clear and
__page_table_check_pte_clear.

Link: https://lkml.kernel.org/r/20230713172636.1705415-4-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 01:26:31 +08:00 committed by Andrew Morton
parent 2f933eaf5b
commit aa232204c4
6 changed files with 12 additions and 16 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
arch/arm64/include/asm/pgtable.h
View File

@ -928,7 +928,7 @@ static inline pte_t ptep_get_and_clear(struct mm_struct *mm,
{
pte_t pte = __pte(xchg_relaxed(&pte_val(*ptep), 0));
page_table_check_pte_clear(mm, address, pte);
page_table_check_pte_clear(mm, pte);
return pte;
}

2
arch/riscv/include/asm/pgtable.h
View File

@ -529,7 +529,7 @@ static inline pte_t ptep_get_and_clear(struct mm_struct *mm,
{
pte_t pte = __pte(atomic_long_xchg((atomic_long_t *)ptep, 0));
page_table_check_pte_clear(mm, address, pte);
page_table_check_pte_clear(mm, pte);
return pte;
}

4
arch/x86/include/asm/pgtable.h
View File

@ -1068,7 +1068,7 @@ static inline pte_t ptep_get_and_clear(struct mm_struct *mm, unsigned long addr,
pte_t *ptep)
{
pte_t pte = native_ptep_get_and_clear(ptep);
page_table_check_pte_clear(mm, addr, pte);
page_table_check_pte_clear(mm, pte);
return pte;
}
@ -1084,7 +1084,7 @@ static inline pte_t ptep_get_and_clear_full(struct mm_struct *mm,
* care about updates and native needs no locking
*/
pte = native_local_ptep_get_and_clear(ptep);
page_table_check_pte_clear(mm, addr, pte);
page_table_check_pte_clear(mm, pte);
} else {
pte = ptep_get_and_clear(mm, addr, ptep);
}

11
include/linux/page_table_check.h
View File

@ -14,8 +14,7 @@ extern struct static_key_true page_table_check_disabled;
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, unsigned long addr,
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,
pmd_t pmd);
void __page_table_check_pud_clear(struct mm_struct *mm, unsigned long addr,
@ -46,13 +45,12 @@ static inline void page_table_check_free(struct page *page, unsigned int order)
__page_table_check_zero(page, order);
}
static inline void page_table_check_pte_clear(struct mm_struct *mm,
unsigned long addr, pte_t pte)
static inline void page_table_check_pte_clear(struct mm_struct *mm, pte_t pte)
{
if (static_branch_likely(&page_table_check_disabled))
return;
__page_table_check_pte_clear(mm, addr, pte);
__page_table_check_pte_clear(mm, pte);
}
static inline void page_table_check_pmd_clear(struct mm_struct *mm,
@ -123,8 +121,7 @@ static inline void page_table_check_free(struct page *page, unsigned int order)
{
}
static inline void page_table_check_pte_clear(struct mm_struct *mm,
unsigned long addr, pte_t pte)
static inline void page_table_check_pte_clear(struct mm_struct *mm, pte_t pte)
{
}

2
include/linux/pgtable.h
View File

@ -322,7 +322,7 @@ static inline pte_t ptep_get_and_clear(struct mm_struct *mm,
{
pte_t pte = ptep_get(ptep);
pte_clear(mm, address, ptep);
page_table_check_pte_clear(mm, address, pte);
page_table_check_pte_clear(mm, pte);
return pte;
}
#endif

7
mm/page_table_check.c
View File

@ -149,8 +149,7 @@ void __page_table_check_zero(struct page *page, unsigned int order)
page_ext_put(page_ext);
}
void __page_table_check_pte_clear(struct mm_struct *mm, unsigned long addr,
pte_t pte)
void __page_table_check_pte_clear(struct mm_struct *mm, pte_t pte)
{
if (&init_mm == mm)
return;
@ -191,7 +190,7 @@ void __page_table_check_pte_set(struct mm_struct *mm, unsigned long addr,
if (&init_mm == mm)
return;
__page_table_check_pte_clear(mm, addr, ptep_get(ptep));
__page_table_check_pte_clear(mm, ptep_get(ptep));
if (pte_user_accessible_page(pte)) {
page_table_check_set(pte_pfn(pte), PAGE_SIZE >> PAGE_SHIFT,
pte_write(pte));
@ -241,7 +240,7 @@ void __page_table_check_pte_clear_range(struct mm_struct *mm,
if (WARN_ON(!ptep))
return;
for (i = 0; i < PTRS_PER_PTE; i++) {
__page_table_check_pte_clear(mm, addr, ptep_get(ptep));
__page_table_check_pte_clear(mm, ptep_get(ptep));
addr += PAGE_SIZE;
ptep++;
}