[lld] [llvm] [lld][MachO] Follow-up to use madvise() for threaded file page-in. (PR #157917)

[David Spickett via llvm-commits]

DavidSpickett wrote:

This would fix an issue on our buildbot, any chance of getting another round of review so we can eventually merge this?

https://github.com/llvm/llvm-project/pull/157917