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by rbanffy 1336 days ago
GC is not a roadblock for OS kernel work. Smalltalk is itself an OS and had GC from the start. IBM's i (the descendant of OS/400) most likely has GC as part of its kernel. Lisp machines had hardware-assisted GC.

What you may want to try to avoid is complex and non-deterministic GC, which makes it harder to reason about.