Tag
page-reclaim
- Jul 15, 2026 Footprint Under a Container Limit: Reclaim, Working Set, and the OOM Decision How a memory cgroup accounts page cache and anonymous memory, why a process at its limit keeps running while a slightly larger one is killed, and how to read the counters that separate reclaimable from unreclaimable. memory systems
- Jul 31, 2025 Reverse Mapping: Finding Every Page Table That Points at a Frame Why the kernel needs to go from a physical frame back to its mappings, how the reverse index is built and maintained, and what it costs in memory and lock contention. memory systems