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ELISA June Seminar: What is a page table and why should we care about it?
June 16 @ 10:00 am - 11:00 am
Join us on Thursday, June 16 at 10 – 11 am PT for the next ELISA Monthly Seminar. Khalid Aziz, Senior Software Engineer from Oracle, will give a presentation titled, “What is a page table and why should we care about it?”
Physical memory on a computer is a shared resource. Kernel allocates and reclaims this shared resource to ensure all workloads on a system have adequate resources to complete their tasks. Accurate management of physical memory assignment is required for fairness and data safety. This is the task of Memory Management subsystem in the Linux kernel. We will discuss how the Memory Management subsystem assigns and tracks physical memory, how it ensures isolation between unrelated workloads and how it enables sharing of data in memory for workloads that need it. We will discuss the management overhead associated with isolation and dive deeper into specific approaches on managing overhead for effective sharing.