252 	bool (*invalidate)(struct mmu_interval_notifier *interval_sub,
308 mmu_interval_read_begin(struct mmu_interval_notifier *interval_sub);
309 int mmu_interval_notifier_insert(struct mmu_interval_notifier *interval_sub,
314 	struct mmu_interval_notifier *interval_sub, struct mm_struct *mm,
317 void mmu_interval_notifier_remove(struct mmu_interval_notifier *interval_sub);
333 mmu_interval_set_seq(struct mmu_interval_notifier *interval_sub,  in mmu_interval_set_seq()  argument
336 	WRITE_ONCE(interval_sub->invalidate_seq, cur_seq);  in mmu_interval_set_seq()
354 mmu_interval_read_retry(struct mmu_interval_notifier *interval_sub,  in mmu_interval_read_retry()  argument
357 	return interval_sub->invalidate_seq != seq;  in mmu_interval_read_retry()
378 mmu_interval_check_retry(struct mmu_interval_notifier *interval_sub,  in mmu_interval_check_retry()  argument
382 	return READ_ONCE(interval_sub->invalidate_seq) != seq;  in mmu_interval_check_retry()