Re: [patch 3/3] cpusets: add memory_spread_user option

From: Christoph Lameter
Date: Fri Oct 26 2007 - 13:39:44 EST


On Fri, 26 Oct 2007, Paul Jackson wrote:

> For example, if they pass in a mask with all bits sets, then they
> get interleave over all the nodes in their current cpuset, even as
> that cpuset changes. If they pass in a mask with say just two
> bits set, then they will get interleave over just two nodes anytime
> they are in a cpuset with two or more nodes (when in a single node
> cpuset, they will of course get no interleave, for lack of anything
> to interleave over.)

Yuck. I really want cpuset relative nodemasks. Nodes need to reference
to available nodes. If you set all of them then it will use all available
nodes and ignore the ones not allowed. If you just set the first two bits
then it will use the first and second node of a cpuset.
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/