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	SYSCTL_INT(_hw_dmar, OID_AUTO, batch_coalesce, CTLFLAG_RWTUN,			SYSCTL_INT(_hw_dmar, OID_AUTO, batch_coalesce, CTLFLAG_RWTUN,
	&dmar_batch_coalesce, 0,			&dmar_batch_coalesce, 0,
	"Number of qi batches between interrupt");			"Number of qi batches between interrupt");
	SYSCTL_PROC(_hw_dmar, OID_AUTO, timeout,			SYSCTL_PROC(_hw_dmar, OID_AUTO, timeout,
	CTLTYPE_U64 \| CTLFLAG_RW \| CTLFLAG_MPSAFE, 0, 0,			CTLTYPE_U64 \| CTLFLAG_RW \| CTLFLAG_MPSAFE, 0, 0,
	dmar_timeout_sysctl, "QU",			dmar_timeout_sysctl, "QU",
	"Timeout for command wait, in nanoseconds");			"Timeout for command wait, in nanoseconds");
	#ifdef INVARIANTS			#ifdef INVARIANTS
	int dmar_check_free;			int iommu_check_free;
	SYSCTL_INT(_hw_dmar, OID_AUTO, check_free, CTLFLAG_RWTUN,			SYSCTL_INT(_hw_dmar, OID_AUTO, check_free, CTLFLAG_RWTUN,
	&dmar_check_free, 0,			&iommu_check_free, 0,
	"Check the GPA RBtree for free_down and free_after validity");			"Check the GPA RBtree for free_down and free_after validity");
	#endif			#endif