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mm: change to return bool for pudp_test_and_clear_young()

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The pudp_test_and_clear_young() is used to clear the young flag, returning
whether the young flag was set for this PUD entry.  Change the return type
to bool to make the intention clearer.

Link: https://lkml.kernel.org/r/2c56fe52c1bf9404145274d7e91d4a65060f6c7c.1774075004.git.baolin.wang@linux.alibaba.com
Signed-off-by: Baolin Wang <baolin.wang@linux.alibaba.com>
Reviewed-by: Ritesh Harjani (IBM) <ritesh.list@gmail.com>
Reviewed-by: Lorenzo Stoakes (Oracle) <ljs@kernel.org>
Acked-by: David Hildenbrand (Arm) <david@kernel.org>
Cc: Liam Howlett <liam.howlett@oracle.com>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Mike Rapoport <rppt@kernel.org>
Cc: Suren Baghdasaryan <surenb@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Baolin Wang 2026-03-21 14:42:53 +08:00 committed by Andrew Morton
parent 2d46a39747
commit fb87c88272
5 changed files with 14 additions and 14 deletions
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10
arch/powerpc/include/asm/book3s/64/pgtable.h
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@ -1172,13 +1172,13 @@ static inline bool __pmdp_test_and_clear_young(struct mm_struct *mm,
return ((old & _PAGE_ACCESSED) != 0);
}
static inline int __pudp_test_and_clear_young(struct mm_struct *mm,
unsigned long addr, pud_t *pudp)
static inline bool __pudp_test_and_clear_young(struct mm_struct *mm,
unsigned long addr, pud_t *pudp)
{
unsigned long old;
if ((pud_raw(*pudp) & cpu_to_be64(_PAGE_ACCESSED | H_PAGE_HASHPTE)) == 0)
return 0;
return false;
old = pud_hugepage_update(mm, addr, pudp, _PAGE_ACCESSED, 0);
return ((old & _PAGE_ACCESSED) != 0);
}
@ -1303,8 +1303,8 @@ extern int pudp_set_access_flags(struct vm_area_struct *vma,
bool pmdp_test_and_clear_young(struct vm_area_struct *vma,
unsigned long address, pmd_t *pmdp);
#define __HAVE_ARCH_PUDP_TEST_AND_CLEAR_YOUNG
extern int pudp_test_and_clear_young(struct vm_area_struct *vma,
unsigned long address, pud_t *pudp);
bool pudp_test_and_clear_young(struct vm_area_struct *vma,
unsigned long address, pud_t *pudp);
#define __HAVE_ARCH_PMDP_HUGE_GET_AND_CLEAR

4
arch/powerpc/mm/book3s64/pgtable.c
View File

@ -104,8 +104,8 @@ bool pmdp_test_and_clear_young(struct vm_area_struct *vma,
return __pmdp_test_and_clear_young(vma->vm_mm, address, pmdp);
}
int pudp_test_and_clear_young(struct vm_area_struct *vma,
unsigned long address, pud_t *pudp)
bool pudp_test_and_clear_young(struct vm_area_struct *vma,
unsigned long address, pud_t *pudp)
{
return __pudp_test_and_clear_young(vma->vm_mm, address, pudp);
}

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

@ -1109,8 +1109,8 @@ static inline int pudp_set_access_flags(struct vm_area_struct *vma,
return ptep_set_access_flags(vma, address, (pte_t *)pudp, pud_pte(entry), dirty);
}
static inline int pudp_test_and_clear_young(struct vm_area_struct *vma,
unsigned long address, pud_t *pudp)
static inline bool pudp_test_and_clear_young(struct vm_area_struct *vma,
unsigned long address, pud_t *pudp)
{
return ptep_test_and_clear_young(vma, address, (pte_t *)pudp);
}

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

@ -1297,8 +1297,8 @@ extern int pudp_set_access_flags(struct vm_area_struct *vma,
#define __HAVE_ARCH_PMDP_TEST_AND_CLEAR_YOUNG
bool pmdp_test_and_clear_young(struct vm_area_struct *vma,
unsigned long addr, pmd_t *pmdp);
extern int pudp_test_and_clear_young(struct vm_area_struct *vma,
unsigned long addr, pud_t *pudp);
bool pudp_test_and_clear_young(struct vm_area_struct *vma,
unsigned long addr, pud_t *pudp);
#define __HAVE_ARCH_PMDP_CLEAR_YOUNG_FLUSH
bool pmdp_clear_flush_young(struct vm_area_struct *vma,

6
arch/x86/mm/pgtable.c
View File

@ -470,10 +470,10 @@ bool pmdp_test_and_clear_young(struct vm_area_struct *vma,
#endif
#ifdef CONFIG_TRANSPARENT_HUGEPAGE
int pudp_test_and_clear_young(struct vm_area_struct *vma,
unsigned long addr, pud_t *pudp)
bool pudp_test_and_clear_young(struct vm_area_struct *vma,
unsigned long addr, pud_t *pudp)
{
int ret = 0;
bool ret = false;
if (pud_young(*pudp))
ret = test_and_clear_bit(_PAGE_BIT_ACCESSED,