## OPEN_TREE_NAMESPACE Coming to Linux 7.0 A new feature, expected to be merged for the upcoming Linux 7.0 kernel cycle, introduces an `OPEN_TREE_NAMESPACE` flag for the `open_tree()` system call. This option provides a notable performance boost, accompanied by added security benefits, especially when dealing heavily with containerized workloads on Linux systems. ## Benefits for Containers The use of `OPEN_TREE_NAMESPACE` promises to optimize resource management and improve isolation between containers. This translates into a more secure and performant environment for applications. Containers have become a fundamental component of modern IT infrastructure, allowing applications to be packaged and distributed efficiently and in isolation. Optimizing the performance and security of containers is therefore a priority for developers and system administrators.