X-Git-Url: https://git.karo-electronics.de/?a=blobdiff_plain;f=mm%2Fmmu_notifier.c;h=8d032de4088e0a55d3f9a4d733dc530e2962a678;hb=efe8dc556cd0f22e04c453188ffbc408b492eb82;hp=438951d366f27cb449d7872f40ced3f791186f07;hpb=772320e84588dcbe1600ffb83e5f328f2209ac2a;p=mv-sheeva.git

diff --git a/mm/mmu_notifier.c b/mm/mmu_notifier.c
index 438951d366f..8d032de4088 100644
--- a/mm/mmu_notifier.c
+++ b/mm/mmu_notifier.c
@@ -100,6 +100,26 @@ int __mmu_notifier_clear_flush_young(struct mm_struct *mm,
 	return young;
 }
 
+int __mmu_notifier_test_young(struct mm_struct *mm,
+			      unsigned long address)
+{
+	struct mmu_notifier *mn;
+	struct hlist_node *n;
+	int young = 0;
+
+	rcu_read_lock();
+	hlist_for_each_entry_rcu(mn, n, &mm->mmu_notifier_mm->list, hlist) {
+		if (mn->ops->test_young) {
+			young = mn->ops->test_young(mn, mm, address);
+			if (young)
+				break;
+		}
+	}
+	rcu_read_unlock();
+
+	return young;
+}
+
 void __mmu_notifier_change_pte(struct mm_struct *mm, unsigned long address,
 			       pte_t pte)
 {