# title
What is the use case for hardware translation table updates (HTTU) of the access flag or dirty state by an SMMU?

# topic.label
What is the use case for hardware translation table updates (HTTU) of the access flag or dirty state by an SMMU?

# metadata.contentDescription
The access flag and dirty state are typically associated with the concept of dynamic paging, where the operating system or hypervisor move pages between DRAM and secondary storage.