June 21-24, 2022
Austin, Texas, USA + Virtual
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Thursday, June 23 • 2:05pm - 2:45pm
Lower Response Time of Fork by Extending Copy-on-write to the Page Table - Chih-En Lin, National Taiwan Ocean University

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The fork system call may use copy-on-write to share the memory among parent and child processes. Last year, Kaiyang Zhao brought out the idea on-demand fork, doing copy-on-write on the page table to reduce the response time. It shares the last level of page table PTE among parent and child processes. In this presentation, I will talk about how this works, what I have improved on, and the upstreaming experience I have tried.


Chih-En Lin

Student, National Taiwan Ocean University
Chih-En Lin is a student studying at National Taiwan Ocean University.He is interested in Linux kernel memory management. And, he is a collaborator of The Linux Kernel Module Programming Guide (sysprog21/lkmpg).

Thursday June 23, 2022 2:05pm - 2:45pm CDT
Lone Star F (Level 3)
  LinuxCon, Linux Kernel Development (Advanced & Beginner)