alt Hacker NewsCoW is probably a good idea regardless, yeah. Overcommit is more questionable. Regardless, both ought to be argued based on their own merits. It's unfortunate that both are necessary as a consequence of fork().
CoW is probably a good idea regardless, yeah. Overcommit is more questionable. Regardless, both ought to be argued based on their own merits. It's unfortunate that both are necessary as a consequence of fork().
I don't think fork() mandates overcommit. OpenBSD doesn't seem to even allow overcommit or have an OOM killer, memory allocations that exceed available capacity fail immediately even if the memory is not touched.