diff options
| author | Baolin Wang <baolin.wang@linux.alibaba.com> | 2026-03-21 14:42:50 +0800 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2026-04-05 13:53:35 -0700 |
| commit | 06c4dfa3ced61635895d0e258da8dc63da539f42 (patch) | |
| tree | 22305a58e6462b29b720efbb57d62bd6089cf145 /arch/arm64 | |
| parent | a62ca3f40feaaaf0dfc4db1f2edeca5a70f4123d (diff) | |
mm: change to return bool for ptep_clear_flush_young()/clear_flush_young_ptes()
The ptep_clear_flush_young() and clear_flush_young_ptes() are used to
clear the young flag and flush the TLB, returning whether the young flag
was set. Change the return type to bool to make the intention clearer.
Link: https://lkml.kernel.org/r/24af5144b96103631594501f77d4525f2475c1be.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>
Diffstat (limited to 'arch/arm64')
| -rw-r--r-- | arch/arm64/include/asm/pgtable.h | 17 | ||||
| -rw-r--r-- | arch/arm64/mm/contpte.c | 7 |
2 files changed, 11 insertions, 13 deletions
diff --git a/arch/arm64/include/asm/pgtable.h b/arch/arm64/include/asm/pgtable.h index 79596cc05dcb..1009f719b157 100644 --- a/arch/arm64/include/asm/pgtable.h +++ b/arch/arm64/include/asm/pgtable.h @@ -1298,10 +1298,10 @@ static inline bool __ptep_test_and_clear_young(struct vm_area_struct *vma, return pte_young(pte); } -static inline int __ptep_clear_flush_young(struct vm_area_struct *vma, - unsigned long address, pte_t *ptep) +static inline bool __ptep_clear_flush_young(struct vm_area_struct *vma, + unsigned long address, pte_t *ptep) { - int young = __ptep_test_and_clear_young(vma, address, ptep); + bool young = __ptep_test_and_clear_young(vma, address, ptep); if (young) { /* @@ -1647,7 +1647,7 @@ extern pte_t contpte_get_and_clear_full_ptes(struct mm_struct *mm, unsigned int nr, int full); bool contpte_test_and_clear_young_ptes(struct vm_area_struct *vma, unsigned long addr, pte_t *ptep, unsigned int nr); -int contpte_clear_flush_young_ptes(struct vm_area_struct *vma, +bool contpte_clear_flush_young_ptes(struct vm_area_struct *vma, unsigned long addr, pte_t *ptep, unsigned int nr); extern void contpte_wrprotect_ptes(struct mm_struct *mm, unsigned long addr, pte_t *ptep, unsigned int nr); @@ -1829,8 +1829,8 @@ static inline bool ptep_test_and_clear_young(struct vm_area_struct *vma, } #define __HAVE_ARCH_PTEP_CLEAR_YOUNG_FLUSH -static inline int ptep_clear_flush_young(struct vm_area_struct *vma, - unsigned long addr, pte_t *ptep) +static inline bool ptep_clear_flush_young(struct vm_area_struct *vma, + unsigned long addr, pte_t *ptep) { pte_t orig_pte = __ptep_get(ptep); @@ -1841,9 +1841,8 @@ static inline int ptep_clear_flush_young(struct vm_area_struct *vma, } #define clear_flush_young_ptes clear_flush_young_ptes -static inline int clear_flush_young_ptes(struct vm_area_struct *vma, - unsigned long addr, pte_t *ptep, - unsigned int nr) +static inline bool clear_flush_young_ptes(struct vm_area_struct *vma, + unsigned long addr, pte_t *ptep, unsigned int nr) { if (likely(nr == 1 && !pte_cont(__ptep_get(ptep)))) return __ptep_clear_flush_young(vma, addr, ptep); diff --git a/arch/arm64/mm/contpte.c b/arch/arm64/mm/contpte.c index a31cae78f712..2dc1b8ad71e8 100644 --- a/arch/arm64/mm/contpte.c +++ b/arch/arm64/mm/contpte.c @@ -534,11 +534,10 @@ bool contpte_test_and_clear_young_ptes(struct vm_area_struct *vma, } EXPORT_SYMBOL_GPL(contpte_test_and_clear_young_ptes); -int contpte_clear_flush_young_ptes(struct vm_area_struct *vma, - unsigned long addr, pte_t *ptep, - unsigned int nr) +bool contpte_clear_flush_young_ptes(struct vm_area_struct *vma, + unsigned long addr, pte_t *ptep, unsigned int nr) { - int young; + bool young; young = contpte_test_and_clear_young_ptes(vma, addr, ptep, nr); |