PPR_ENTRY_SIZE    713 drivers/iommu/amd_iommu.c 		head = (head + PPR_ENTRY_SIZE) % PPR_LOG_SIZE;
PPR_ENTRY_SIZE    227 drivers/iommu/amd_iommu_types.h #define PPR_LOG_SIZE		(PPR_ENTRY_SIZE * PPR_LOG_ENTRIES)