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SubjectRe: kdump: No udev events for memory hotplug?
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On Thu, 2011-10-27 at 09:30 +0200, Heiko Carstens wrote:
> > Are any events generated for memory add?
>
> Looks like uevents are only genereted when memory gets registered and
> unregistered, but not when when it gets set online or offline.
> To achieve that you would need to add similar code to
> store_mem_state()/memory_block_change_state() in drivers/base/memory.c
> like we have it already in store_online() in drivers/base/cpu.c

Instead of doing it at that low a level, perhaps we should be generating
events when 'totalram_pages' changes. That way, we'll also trigger
events when things like ballooning happen.

-- Dave



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