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author | James Morris <jmorris@namei.org> | 2011-03-08 02:55:06 +0300 |
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committer | James Morris <jmorris@namei.org> | 2011-03-08 02:55:06 +0300 |
commit | 1cc26bada9f6807814806db2f0d78792eecdac71 (patch) | |
tree | 5509b5139db04af6c13db0a580c84116a4a54039 /mm/mmu_notifier.c | |
parent | eae61f3c829439f8f9121b5cd48a14be04df451f (diff) | |
parent | 214d93b02c4fe93638ad268613c9702a81ed9192 (diff) | |
download | linux-1cc26bada9f6807814806db2f0d78792eecdac71.tar.xz |
Merge branch 'master'; commit 'v2.6.38-rc7' into next
Diffstat (limited to 'mm/mmu_notifier.c')
-rw-r--r-- | mm/mmu_notifier.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/mm/mmu_notifier.c b/mm/mmu_notifier.c index 438951d366f2..8d032de4088e 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) { |