EVT_BUFFER_SIZE   650 drivers/iommu/amd_iommu.c 		head = (head + EVENT_ENTRY_SIZE) % EVT_BUFFER_SIZE;
EVT_BUFFER_SIZE   656 drivers/iommu/amd_iommu_init.c 						  get_order(EVT_BUFFER_SIZE));
EVT_BUFFER_SIZE   689 drivers/iommu/amd_iommu_init.c 	free_pages((unsigned long)iommu->evt_buf, get_order(EVT_BUFFER_SIZE));