56 void __mmu_notifier_release(struct mm_struct *mm)  in __mmu_notifier_release()  argument
66 	hlist_for_each_entry_rcu(mn, &mm->mmu_notifier_mm->list, hlist)  in __mmu_notifier_release()
74 			mn->ops->release(mn, mm);  in __mmu_notifier_release()
76 	spin_lock(&mm->mmu_notifier_mm->lock);  in __mmu_notifier_release()
77 	while (unlikely(!hlist_empty(&mm->mmu_notifier_mm->list))) {  in __mmu_notifier_release()
78 		mn = hlist_entry(mm->mmu_notifier_mm->list.first,  in __mmu_notifier_release()
89 	spin_unlock(&mm->mmu_notifier_mm->lock);  in __mmu_notifier_release()
109 int __mmu_notifier_clear_flush_young(struct mm_struct *mm,  in __mmu_notifier_clear_flush_young()  argument
117 	hlist_for_each_entry_rcu(mn, &mm->mmu_notifier_mm->list, hlist) {  in __mmu_notifier_clear_flush_young()
119 			young |= mn->ops->clear_flush_young(mn, mm, start, end);  in __mmu_notifier_clear_flush_young()
126 int __mmu_notifier_test_young(struct mm_struct *mm,  in __mmu_notifier_test_young()  argument
133 	hlist_for_each_entry_rcu(mn, &mm->mmu_notifier_mm->list, hlist) {  in __mmu_notifier_test_young()
135 			young = mn->ops->test_young(mn, mm, address);  in __mmu_notifier_test_young()
145 void __mmu_notifier_change_pte(struct mm_struct *mm, unsigned long address,  in __mmu_notifier_change_pte()  argument
152 	hlist_for_each_entry_rcu(mn, &mm->mmu_notifier_mm->list, hlist) {  in __mmu_notifier_change_pte()
154 			mn->ops->change_pte(mn, mm, address, pte);  in __mmu_notifier_change_pte()
159 void __mmu_notifier_invalidate_page(struct mm_struct *mm,  in __mmu_notifier_invalidate_page()  argument
166 	hlist_for_each_entry_rcu(mn, &mm->mmu_notifier_mm->list, hlist) {  in __mmu_notifier_invalidate_page()
168 			mn->ops->invalidate_page(mn, mm, address);  in __mmu_notifier_invalidate_page()
173 void __mmu_notifier_invalidate_range_start(struct mm_struct *mm,  in __mmu_notifier_invalidate_range_start()  argument
180 	hlist_for_each_entry_rcu(mn, &mm->mmu_notifier_mm->list, hlist) {  in __mmu_notifier_invalidate_range_start()
182 			mn->ops->invalidate_range_start(mn, mm, start, end);  in __mmu_notifier_invalidate_range_start()
188 void __mmu_notifier_invalidate_range_end(struct mm_struct *mm,  in __mmu_notifier_invalidate_range_end()  argument
195 	hlist_for_each_entry_rcu(mn, &mm->mmu_notifier_mm->list, hlist) {  in __mmu_notifier_invalidate_range_end()
205 			mn->ops->invalidate_range(mn, mm, start, end);  in __mmu_notifier_invalidate_range_end()
207 			mn->ops->invalidate_range_end(mn, mm, start, end);  in __mmu_notifier_invalidate_range_end()
213 void __mmu_notifier_invalidate_range(struct mm_struct *mm,  in __mmu_notifier_invalidate_range()  argument
220 	hlist_for_each_entry_rcu(mn, &mm->mmu_notifier_mm->list, hlist) {  in __mmu_notifier_invalidate_range()
222 			mn->ops->invalidate_range(mn, mm, start, end);  in __mmu_notifier_invalidate_range()
229 				    struct mm_struct *mm,  in do_mmu_notifier_register()  argument
235 	BUG_ON(atomic_read(&mm->mm_users) <= 0);  in do_mmu_notifier_register()
249 		down_write(&mm->mmap_sem);  in do_mmu_notifier_register()
250 	ret = mm_take_all_locks(mm);  in do_mmu_notifier_register()
254 	if (!mm_has_notifiers(mm)) {  in do_mmu_notifier_register()
258 		mm->mmu_notifier_mm = mmu_notifier_mm;  in do_mmu_notifier_register()
261 	atomic_inc(&mm->mm_count);  in do_mmu_notifier_register()
271 	spin_lock(&mm->mmu_notifier_mm->lock);  in do_mmu_notifier_register()
272 	hlist_add_head(&mn->hlist, &mm->mmu_notifier_mm->list);  in do_mmu_notifier_register()
273 	spin_unlock(&mm->mmu_notifier_mm->lock);  in do_mmu_notifier_register()
275 	mm_drop_all_locks(mm);  in do_mmu_notifier_register()
278 		up_write(&mm->mmap_sem);  in do_mmu_notifier_register()
281 	BUG_ON(atomic_read(&mm->mm_users) <= 0);  in do_mmu_notifier_register()
298 int mmu_notifier_register(struct mmu_notifier *mn, struct mm_struct *mm)  in mmu_notifier_register()  argument
300 	return do_mmu_notifier_register(mn, mm, 1);  in mmu_notifier_register()
308 int __mmu_notifier_register(struct mmu_notifier *mn, struct mm_struct *mm)  in __mmu_notifier_register()  argument
310 	return do_mmu_notifier_register(mn, mm, 0);  in __mmu_notifier_register()
315 void __mmu_notifier_mm_destroy(struct mm_struct *mm)  in __mmu_notifier_mm_destroy()  argument
317 	BUG_ON(!hlist_empty(&mm->mmu_notifier_mm->list));  in __mmu_notifier_mm_destroy()
318 	kfree(mm->mmu_notifier_mm);  in __mmu_notifier_mm_destroy()
319 	mm->mmu_notifier_mm = LIST_POISON1; /* debug */  in __mmu_notifier_mm_destroy()
332 void mmu_notifier_unregister(struct mmu_notifier *mn, struct mm_struct *mm)  in mmu_notifier_unregister()  argument
334 	BUG_ON(atomic_read(&mm->mm_count) <= 0);  in mmu_notifier_unregister()
349 			mn->ops->release(mn, mm);  in mmu_notifier_unregister()
352 		spin_lock(&mm->mmu_notifier_mm->lock);  in mmu_notifier_unregister()
358 		spin_unlock(&mm->mmu_notifier_mm->lock);  in mmu_notifier_unregister()
367 	BUG_ON(atomic_read(&mm->mm_count) <= 0);  in mmu_notifier_unregister()
369 	mmdrop(mm);  in mmu_notifier_unregister()
377 					struct mm_struct *mm)  in mmu_notifier_unregister_no_release()  argument
379 	spin_lock(&mm->mmu_notifier_mm->lock);  in mmu_notifier_unregister_no_release()
385 	spin_unlock(&mm->mmu_notifier_mm->lock);  in mmu_notifier_unregister_no_release()
387 	BUG_ON(atomic_read(&mm->mm_count) <= 0);  in mmu_notifier_unregister_no_release()
388 	mmdrop(mm);  in mmu_notifier_unregister_no_release()