Re: MM/VM todo list

[Marcelo Tosatti <marcelo@conectiva.com.br>]

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. 

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