>There are benefits to sequential allocation - for one thing, the PID doesn't need to be stored anywhere (which can matter on very low memory machines), and opt

>There are benefits to sequential allocation - for one thing, the PID doesn't need to be stored anywhere (which can matter on very low memory machines), and optimizations can be made when there are only a handful of PID's. I doN't think those matter that much anymore, if the machine has low memory it won't run a lot of processes and those optimizations won't matter much and if it runs a lot of processes it's likely to have more memory.