Re: [RFC] generalise scheduling classes

From: Davide Libenzi
Date: Sun Nov 23 2003 - 21:39:55 EST


[Cc list trimmed. There was the whole world]

On Mon, 24 Nov 2003, Nick Piggin wrote:

> Technically the scheduler knows nothing about NUMA. Previously it had
> local and a remote domains corresponding to inter and intra node cpu sets.
> All it did was to do remote balancing a little more gently. But we'll call
> it NUMA scheduling.

One patch I did ages ago was using a topology matrix NxN storing distances
(read move weights) from each CPU: mat[i][j] == distance/weight i <-> j
At that time the matrix was bolt-in since there was no topology API. maybe
now can be built a little bit more wisely using HT and NUMA topology info.



- Davide


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