[compiler-rt] [scudo] Add partial chunk heuristic to retrieval algorithm. (PR #105009)

[via llvm-commits]

ChiaHungDuan wrote:

@JoshuaMBa, I think we are ready to change the `MaxReleasedCachePages` back to 4, would you like to prepare the pull request?

https://github.com/llvm/llvm-project/pull/105009