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SubjectRe: [PATCH] workqueue: update numa affinity when node hotplug

On Fri, Feb 27, 2015 at 06:04:52PM +0800, Gu Zheng wrote:
> Yasuaki Ishimatsu found that with node online/offline, cpu<->node
> relationship is established. Because workqueue uses a info which was
> established at boot time, but it may be changed by node hotpluging.

I've asked this a couple times now but can somebody please justify why
cpu<->node relationship needs to change? If it has to change, that's
okay but let's please first make sure that we understand why such
thing is necessary so that we can figure out what kind of facilities
are necessary for such dynamism.



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