Re: [7/7,v8] NUMA Hotplug Emulator: Implement per-node add_memorydebugfs interface

[David Rientjes]

On Mon, 13 Dec 2010, Shaohui Zheng wrote:

> For the state transition to N_HIGH_MEMORY, it does not happen on the above too
> interfaces. It happens when the memory was onlined with sysfs /sys/device/system/memory/memoryXX/online
> interface.
> 
> That is the code path:
> store_mem_state
> 	->memory_block_change_state
> 	 	->memory_block_action
> 			->online_pages
> 
> 			if (onlined_pages) {
> 				kswapd_run(zone_to_nid(zone));
> 				node_set_state(zone_to_nid(zone), N_HIGH_MEMORY);
> 			}
> 
> does it address your question? thanks.
> 

Ok, thanks!
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