Re: [PATCH v2] cpusets: randomize node rotor used incpuset_mem_spread_node()

From: David Rientjes
Date: Fri Apr 15 2011 - 19:42:27 EST

On Fri, 15 Apr 2011, Michal Hocko wrote:

> You are right. I was thinking about lazy approach and initialize those
> values when they are used for the first time. What about the patch
> below?
> Change from v1:
> - initialize cpuset_{mem,slab}_spread_rotor lazily

The difference between this v2 patch and what is already in the -mm tree
is the lazy initialization by adding cpuset_{mem,slab}_spread_node()?

It'd probably be better to just make an incremental patch on top of
mmotm-2011-04-14-15-08 with a new changelog and then propose with with
your list of reviewed-by lines.

Andrew could easily drop the earlier version and merge this v2, but I'm
asking for selfish reasons: please use NUMA_NO_NODE instead of -1.

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