[$] Preparing DAMON for future memory-management problems

The Data AccessMONitor (DAMON) subsystem provides access to detailed memory-managementstatistics, along with a set of tools for implementing policies based onthose statistics. An update on DAMON by its primary author, SeongJae Park,has been a fixture of the Linux Storage, Filesystem, Memory-Management, andBPF Summit for some years. The 2025 Summit was no exception; Park led twosessions on recent and future DAMON developments, and how DAMON mightevolve to facilitate a more access-aware memory-management subsystem in thefuture.