diff options
Diffstat (limited to 'kernel/mm/mmu_notifier.c')
| -rw-r--r-- | kernel/mm/mmu_notifier.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/kernel/mm/mmu_notifier.c b/kernel/mm/mmu_notifier.c index 3b9b3d074..5fbdd367b 100644 --- a/kernel/mm/mmu_notifier.c +++ b/kernel/mm/mmu_notifier.c @@ -123,6 +123,23 @@ int __mmu_notifier_clear_flush_young(struct mm_struct *mm, return young; } +int __mmu_notifier_clear_young(struct mm_struct *mm, + unsigned long start, + unsigned long end) +{ + struct mmu_notifier *mn; + int young = 0, id; + + id = srcu_read_lock(&srcu); + hlist_for_each_entry_rcu(mn, &mm->mmu_notifier_mm->list, hlist) { + if (mn->ops->clear_young) + young |= mn->ops->clear_young(mn, mm, start, end); + } + srcu_read_unlock(&srcu, id); + + return young; +} + int __mmu_notifier_test_young(struct mm_struct *mm, unsigned long address) { |