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_clear_young(struct mm_struct *mm,  in __mmu_notifier_clear_young()  argument
134 	hlist_for_each_entry_rcu(mn, &mm->mmu_notifier_mm->list, hlist) {  in __mmu_notifier_clear_young()
136 			young |= mn->ops->clear_young(mn, mm, start, end);  in __mmu_notifier_clear_young()
143 int __mmu_notifier_test_young(struct mm_struct *mm,  in __mmu_notifier_test_young()  argument
150 	hlist_for_each_entry_rcu(mn, &mm->mmu_notifier_mm->list, hlist) {  in __mmu_notifier_test_young()
152 			young = mn->ops->test_young(mn, mm, address);  in __mmu_notifier_test_young()
162 void __mmu_notifier_change_pte(struct mm_struct *mm, unsigned long address,  in __mmu_notifier_change_pte()  argument
169 	hlist_for_each_entry_rcu(mn, &mm->mmu_notifier_mm->list, hlist) {  in __mmu_notifier_change_pte()
171 			mn->ops->change_pte(mn, mm, address, pte);  in __mmu_notifier_change_pte()
176 void __mmu_notifier_invalidate_page(struct mm_struct *mm,  in __mmu_notifier_invalidate_page()  argument
183 	hlist_for_each_entry_rcu(mn, &mm->mmu_notifier_mm->list, hlist) {  in __mmu_notifier_invalidate_page()
185 			mn->ops->invalidate_page(mn, mm, address);  in __mmu_notifier_invalidate_page()
190 void __mmu_notifier_invalidate_range_start(struct mm_struct *mm,  in __mmu_notifier_invalidate_range_start()  argument
197 	hlist_for_each_entry_rcu(mn, &mm->mmu_notifier_mm->list, hlist) {  in __mmu_notifier_invalidate_range_start()
199 			mn->ops->invalidate_range_start(mn, mm, start, end);  in __mmu_notifier_invalidate_range_start()
205 void __mmu_notifier_invalidate_range_end(struct mm_struct *mm,  in __mmu_notifier_invalidate_range_end()  argument
212 	hlist_for_each_entry_rcu(mn, &mm->mmu_notifier_mm->list, hlist) {  in __mmu_notifier_invalidate_range_end()
222 			mn->ops->invalidate_range(mn, mm, start, end);  in __mmu_notifier_invalidate_range_end()
224 			mn->ops->invalidate_range_end(mn, mm, start, end);  in __mmu_notifier_invalidate_range_end()
230 void __mmu_notifier_invalidate_range(struct mm_struct *mm,  in __mmu_notifier_invalidate_range()  argument
237 	hlist_for_each_entry_rcu(mn, &mm->mmu_notifier_mm->list, hlist) {  in __mmu_notifier_invalidate_range()
239 			mn->ops->invalidate_range(mn, mm, start, end);  in __mmu_notifier_invalidate_range()
246 				    struct mm_struct *mm,  in do_mmu_notifier_register()  argument
252 	BUG_ON(atomic_read(&mm->mm_users) <= 0);  in do_mmu_notifier_register()
266 		down_write(&mm->mmap_sem);  in do_mmu_notifier_register()
267 	ret = mm_take_all_locks(mm);  in do_mmu_notifier_register()
271 	if (!mm_has_notifiers(mm)) {  in do_mmu_notifier_register()
275 		mm->mmu_notifier_mm = mmu_notifier_mm;  in do_mmu_notifier_register()
278 	atomic_inc(&mm->mm_count);  in do_mmu_notifier_register()
288 	spin_lock(&mm->mmu_notifier_mm->lock);  in do_mmu_notifier_register()
289 	hlist_add_head(&mn->hlist, &mm->mmu_notifier_mm->list);  in do_mmu_notifier_register()
290 	spin_unlock(&mm->mmu_notifier_mm->lock);  in do_mmu_notifier_register()
292 	mm_drop_all_locks(mm);  in do_mmu_notifier_register()
295 		up_write(&mm->mmap_sem);  in do_mmu_notifier_register()
298 	BUG_ON(atomic_read(&mm->mm_users) <= 0);  in do_mmu_notifier_register()
315 int mmu_notifier_register(struct mmu_notifier *mn, struct mm_struct *mm)  in mmu_notifier_register()  argument
317 	return do_mmu_notifier_register(mn, mm, 1);  in mmu_notifier_register()
325 int __mmu_notifier_register(struct mmu_notifier *mn, struct mm_struct *mm)  in __mmu_notifier_register()  argument
327 	return do_mmu_notifier_register(mn, mm, 0);  in __mmu_notifier_register()
332 void __mmu_notifier_mm_destroy(struct mm_struct *mm)  in __mmu_notifier_mm_destroy()  argument
334 	BUG_ON(!hlist_empty(&mm->mmu_notifier_mm->list));  in __mmu_notifier_mm_destroy()
335 	kfree(mm->mmu_notifier_mm);  in __mmu_notifier_mm_destroy()
336 	mm->mmu_notifier_mm = LIST_POISON1; /* debug */  in __mmu_notifier_mm_destroy()
349 void mmu_notifier_unregister(struct mmu_notifier *mn, struct mm_struct *mm)  in mmu_notifier_unregister()  argument
351 	BUG_ON(atomic_read(&mm->mm_count) <= 0);  in mmu_notifier_unregister()
366 			mn->ops->release(mn, mm);  in mmu_notifier_unregister()
369 		spin_lock(&mm->mmu_notifier_mm->lock);  in mmu_notifier_unregister()
375 		spin_unlock(&mm->mmu_notifier_mm->lock);  in mmu_notifier_unregister()
384 	BUG_ON(atomic_read(&mm->mm_count) <= 0);  in mmu_notifier_unregister()
386 	mmdrop(mm);  in mmu_notifier_unregister()
394 					struct mm_struct *mm)  in mmu_notifier_unregister_no_release()  argument
396 	spin_lock(&mm->mmu_notifier_mm->lock);  in mmu_notifier_unregister_no_release()
402 	spin_unlock(&mm->mmu_notifier_mm->lock);  in mmu_notifier_unregister_no_release()
404 	BUG_ON(atomic_read(&mm->mm_count) <= 0);  in mmu_notifier_unregister_no_release()
405 	mmdrop(mm);  in mmu_notifier_unregister_no_release()