The real drawback of disabling memory overcommitting is not that processes can no longer allocate huge amounts of unused memory, but that processes that use mor

The real drawback of disabling memory overcommitting is not that processes can no longer allocate huge amounts of unused memory, but that processes that use more memory that the remaining availabe RAM + swap can no longer call fork (even if the forked process like most forked processes would immediately discard all the shared memory by execing some small program).