BloomTech’s Downfall: A Long Time Coming

Killing the Mmap_Sem's Contention

Killing the Mmap_Sem's Contention

Linux Plumbers Conference via YouTube Direct link

Introduction

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Introduction

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Classroom Contents

Killing the Mmap_Sem's Contention

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  1. 1 Introduction
  2. 2 VMA Rules
  3. 3 Locking the VMA
  4. 4 No existing VMA
  5. 5 Mapping is painful
  6. 6 Extending the VMA
  7. 7 VMA lock structure
  8. 8 VMA lock for readers
  9. 9 VMA lock for proc
  10. 10 Switching VMA
  11. 11 Finding a gap
  12. 12 Locking
  13. 13 One lock
  14. 14 Hazards
  15. 15 Plans
  16. 16 VMA

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