diff options
| author | Baolin Wang <baolin.wang@linux.alibaba.com> | 2026-03-21 09:42:51 +0300 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2026-04-05 23:53:35 +0300 |
| commit | 42e26354c4ef28772398b1d71b7477834037305c (patch) | |
| tree | 7acc730d4d603da502e49a76383b3d85712e5e0f /include/linux/pgtable.h | |
| parent | 06c4dfa3ced61635895d0e258da8dc63da539f42 (diff) | |
| download | linux-42e26354c4ef28772398b1d71b7477834037305c.tar.xz | |
mm: change to return bool for pmdp_test_and_clear_young()
Callers use pmdp_test_and_clear_young() to clear the young flag and check
whether it was set for this PMD entry. Change the return type to bool to
make the intention clearer.
Link: https://lkml.kernel.org/r/f1d31307a13365d3d0fed5809727dcc2dd59631b.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 'include/linux/pgtable.h')
| -rw-r--r-- | include/linux/pgtable.h | 19 |
1 files changed, 9 insertions, 10 deletions
diff --git a/include/linux/pgtable.h b/include/linux/pgtable.h index 99450a3b0705..6db900a5d38b 100644 --- a/include/linux/pgtable.h +++ b/include/linux/pgtable.h @@ -507,25 +507,24 @@ static inline bool ptep_test_and_clear_young(struct vm_area_struct *vma, #ifndef __HAVE_ARCH_PMDP_TEST_AND_CLEAR_YOUNG #if defined(CONFIG_TRANSPARENT_HUGEPAGE) || defined(CONFIG_ARCH_HAS_NONLEAF_PMD_YOUNG) -static inline int pmdp_test_and_clear_young(struct vm_area_struct *vma, - unsigned long address, - pmd_t *pmdp) +static inline bool pmdp_test_and_clear_young(struct vm_area_struct *vma, + unsigned long address, pmd_t *pmdp) { pmd_t pmd = *pmdp; - int r = 1; + bool young = true; + if (!pmd_young(pmd)) - r = 0; + young = false; else set_pmd_at(vma->vm_mm, address, pmdp, pmd_mkold(pmd)); - return r; + return young; } #else -static inline int pmdp_test_and_clear_young(struct vm_area_struct *vma, - unsigned long address, - pmd_t *pmdp) +static inline bool pmdp_test_and_clear_young(struct vm_area_struct *vma, + unsigned long address, pmd_t *pmdp) { BUILD_BUG(); - return 0; + return false; } #endif /* CONFIG_TRANSPARENT_HUGEPAGE || CONFIG_ARCH_HAS_NONLEAF_PMD_YOUNG */ #endif |