Re: MM/VM todo list

Marcelo Tosatti
2001-01-05T16:56:40Z

On Fri, 5 Jan 2001, Rik van Riel wrote:

> Probably 2.5 era:
> * VM: physical->virtual reverse mapping, so we can do much
> better page aging with less CPU usage spikes
> * VM: move all the global VM variables, lists, etc. into the
> pgdat struct for better NUMA scalability
> * VM: per-node kswapd for NUMA
> * VM: thrashing control, maybe process suspension with some
> forced swapping ? (trivial only in theory)
> * VM: experiment with different active lists / aging pages
> of different ages at different rates + other page replacement
> improvements
> * VM: Quality of Service / fairness / ... improvements
* VM: Use kiobuf IO in VM instead buffer_head IO.