Dave,
I'm looking for a good place to add yet another cpuset hook, this
one to keep a nodemask in my top (root) cpuset always equal to the
current value of node_online_map.
The motivation for this, if you're interested, comes from the
following threads, which added similar cpuset tracking of the
cpu_online_map:
cpusets not cpu hotplug aware
http://lkml.org/lkml/2006/8/21/128
[PATCH] cpuset: top_cpuset tracks hotplug changes to cpu_online_map
http://lkml.org/lkml/2006/8/24/107
(I cc'd the victims of these threads here, in case they're interested.)
>From what I see so far, the right place to call my cpuset routine to
update its copy of node_online_map would be right after the call:
node_set_online(nid);
in the routine mm/memory_hotplug.c:add_memory().
Does that seem like a plausible sounding place to you?
--
I won't rest till it's the best ...
Programmer, Linux Scalability
Paul Jackson <[email protected]> 1.925.600.0401
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