[libc] Increase the number of times we wait on a slab

Summary:
This wait restricts how long we wait on a slab. The only reason this
isn't an infinite loop is to prevent complete deadlocks. However, this
limit was *just* on the cusp of waiting long enough for the allocation
to be done. Just increase this to a sufficiently large value, because
this limit only exists to keep the interface wait-free in the absolute
worst case scheduling scenario. This *MASSIVELY* improved performance
for mixed allocations as we no longer shuffled around creating more than
necessary.
1 file changed
tree: 978e2c05e413b9ad205be7ffed4b04238af6e4d3
  1. .ci/
  2. .github/
  3. bolt/
  4. clang/
  5. clang-tools-extra/
  6. cmake/
  7. compiler-rt/
  8. cross-project-tests/
  9. flang/
  10. flang-rt/
  11. libc/
  12. libclc/
  13. libcxx/
  14. libcxxabi/
  15. libunwind/
  16. lld/
  17. lldb/
  18. llvm/
  19. llvm-libgcc/
  20. mlir/
  21. offload/
  22. openmp/
  23. polly/
  24. runtimes/
  25. third-party/
  26. utils/
  27. .clang-format
  28. .clang-format-ignore
  29. .clang-tidy
  30. .git-blame-ignore-revs
  31. .gitattributes
  32. .gitignore
  33. .mailmap
  34. CODE_OF_CONDUCT.md
  35. CONTRIBUTING.md
  36. LICENSE.TXT
  37. pyproject.toml
  38. README.md
  39. SECURITY.md
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