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| author | Baolin Wang <baolin.wang@linux.alibaba.com> | 2026-03-21 14:42:54 +0800 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2026-04-05 13:53:35 -0700 |
| commit | 1fc7dc675e26c43f3219d70a09b9f0c4aa43a13a (patch) | |
| tree | 43606bc9274ee3e4668a89c6a849b15e3c72efb2 /virt | |
| parent | fb87c88272973fa310d36dc60530fd6781bd1a55 (diff) | |
| download | ath-1fc7dc675e26c43f3219d70a09b9f0c4aa43a13a.tar.gz | |
mm: change to return bool for the MMU notifier's young flag check
The MMU notifier young flag check related functions only return whether
the young flag was set. Change the return type to bool to make the
intention clearer.
Link: https://lkml.kernel.org/r/a9ad3fe938002d87358e7bfca264f753ab602561.1774075004.git.baolin.wang@linux.alibaba.com
Signed-off-by: Baolin Wang <baolin.wang@linux.alibaba.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: Ritesh Harjani (IBM) <ritesh.list@gmail.com>
Cc: Suren Baghdasaryan <surenb@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'virt')
| -rw-r--r-- | virt/kvm/kvm_main.c | 31 |
1 files changed, 11 insertions, 20 deletions
diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c index d0ab29672c717..82433f46c438f 100644 --- a/virt/kvm/kvm_main.c +++ b/virt/kvm/kvm_main.c @@ -646,11 +646,9 @@ mmu_unlock: return r; } -static __always_inline int kvm_age_hva_range(struct mmu_notifier *mn, - unsigned long start, - unsigned long end, - gfn_handler_t handler, - bool flush_on_ret) +static __always_inline bool kvm_age_hva_range(struct mmu_notifier *mn, + unsigned long start, unsigned long end, gfn_handler_t handler, + bool flush_on_ret) { struct kvm *kvm = mmu_notifier_to_kvm(mn); const struct kvm_mmu_notifier_range range = { @@ -666,10 +664,8 @@ static __always_inline int kvm_age_hva_range(struct mmu_notifier *mn, return kvm_handle_hva_range(kvm, &range).ret; } -static __always_inline int kvm_age_hva_range_no_flush(struct mmu_notifier *mn, - unsigned long start, - unsigned long end, - gfn_handler_t handler) +static __always_inline bool kvm_age_hva_range_no_flush(struct mmu_notifier *mn, + unsigned long start, unsigned long end, gfn_handler_t handler) { return kvm_age_hva_range(mn, start, end, handler, false); } @@ -829,10 +825,8 @@ static void kvm_mmu_notifier_invalidate_range_end(struct mmu_notifier *mn, rcuwait_wake_up(&kvm->mn_memslots_update_rcuwait); } -static int kvm_mmu_notifier_clear_flush_young(struct mmu_notifier *mn, - struct mm_struct *mm, - unsigned long start, - unsigned long end) +static bool kvm_mmu_notifier_clear_flush_young(struct mmu_notifier *mn, + struct mm_struct *mm, unsigned long start, unsigned long end) { trace_kvm_age_hva(start, end); @@ -840,10 +834,8 @@ static int kvm_mmu_notifier_clear_flush_young(struct mmu_notifier *mn, !IS_ENABLED(CONFIG_KVM_ELIDE_TLB_FLUSH_IF_YOUNG)); } -static int kvm_mmu_notifier_clear_young(struct mmu_notifier *mn, - struct mm_struct *mm, - unsigned long start, - unsigned long end) +static bool kvm_mmu_notifier_clear_young(struct mmu_notifier *mn, + struct mm_struct *mm, unsigned long start, unsigned long end) { trace_kvm_age_hva(start, end); @@ -863,9 +855,8 @@ static int kvm_mmu_notifier_clear_young(struct mmu_notifier *mn, return kvm_age_hva_range_no_flush(mn, start, end, kvm_age_gfn); } -static int kvm_mmu_notifier_test_young(struct mmu_notifier *mn, - struct mm_struct *mm, - unsigned long address) +static bool kvm_mmu_notifier_test_young(struct mmu_notifier *mn, + struct mm_struct *mm, unsigned long address) { trace_kvm_test_age_hva(address); |