Why is Linux swapping with free memory?

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Tags

1. #normal
2. #continuously
3. #there
4. #kernel
5. #available
6. #space
7. #becomes
8. #forced
9. #linux
10. #running
11. #still
12. #issue
13. #pages
14. #enough
15. #usage
16. #memory
17. #answers
18. #systems
19. #applications