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

[John Holdsworth via llvm-commits]

johnno1962 wrote:

👋, I'd really like to see this merged before too long. Is there anything outstanding? I could also look at moving the SerialBackgroundWorkQueue into a common area somewhere while I have a dev/test environment but I think finalising the design for that would likely delay things still further.

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