Explore the complexities of memory management structure lifecycle in Linux kernel development through this 15-minute conference talk from the Linux Plumbers Conference. Examine common issues where mm_struct is used in uninitialized or unstable states, or experiences delayed exit processes. Analyze external complications including zswap, out-of-memory conditions, PTE lock contention, and performance monitoring that contribute to these problems. Discover systematic approaches to address multiple areas simultaneously rather than fixing issues individually, and learn strategies for expediting resource recovery from mm_struct instances that are no longer needed.