USENIX ATC '23 - LLFree: Scalable and Optionally-Persistent Page-Frame Allocation

USENIX ATC '23 - LLFree: Scalable and Optionally-Persistent Page-Frame Allocation

Lars Wrenger, Leibniz Universität Hannover, Florian Rommel, Leibniz Universität Hannover, Alexander Halbuer, Leibniz Universität Hannover, Christian Dietrich, Hamburg University of Technology, Daniel Lohmann, Leibniz Universität Hannover

Within the operating-system’s memory-management subsystem, the page-frame allocator is the most fundamental component. It administers the physical-memory frames, which are required to populate the page-table tree. Although the appearance of heterogeneous, nonvolatile, and huge memories has drastically changed the memory hierarchy, we still manage …

christian daniel hannover management memory memory-management page persistent subsystem system technology university usenix