Re: [PATCH] swap migration: Fix lru drain

[Christoph Lameter]

On Thu, 8 Dec 2005, Nick Piggin wrote:

> Do we need a lock_cpu_hotplug() around here?

Well, then we may need that lock for each "for_each_online_cpu" use?
 
> Can't this deadlock if 2 CPUs each send work to the other

Then we would need to fix the workqueue flushing function.

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