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| author | Russell King <rmk+kernel@arm.linux.org.uk> | 2009-09-24 21:22:33 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2009-09-24 21:22:33 +0100 |
| commit | baea7b946f00a291b166ccae7fcfed6c01530cc6 (patch) | |
| tree | 4aa275fbdbec9c7b9b4629e8bee2bbecd3c6a6af /mm/mmu_notifier.c | |
| parent | ae19ffbadc1b2100285a5b5b3d0a4e0a11390904 (diff) | |
| parent | 94e0fb086fc5663c38bbc0fe86d698be8314f82f (diff) | |
| download | op-kernel-dev-baea7b946f00a291b166ccae7fcfed6c01530cc6.zip op-kernel-dev-baea7b946f00a291b166ccae7fcfed6c01530cc6.tar.gz | |
Merge branch 'origin' into for-linus
Conflicts:
MAINTAINERS
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 5f4ef02..7e33f2c 100644 --- a/mm/mmu_notifier.c +++ b/mm/mmu_notifier.c @@ -99,6 +99,26 @@ int __mmu_notifier_clear_flush_young(struct mm_struct *mm, return young; } +void __mmu_notifier_change_pte(struct mm_struct *mm, unsigned long address, + pte_t pte) +{ + struct mmu_notifier *mn; + struct hlist_node *n; + + rcu_read_lock(); + hlist_for_each_entry_rcu(mn, n, &mm->mmu_notifier_mm->list, hlist) { + if (mn->ops->change_pte) + mn->ops->change_pte(mn, mm, address, pte); + /* + * Some drivers don't have change_pte, + * so we must call invalidate_page in that case. + */ + else if (mn->ops->invalidate_page) + mn->ops->invalidate_page(mn, mm, address); + } + rcu_read_unlock(); +} + void __mmu_notifier_invalidate_page(struct mm_struct *mm, unsigned long address) { |
