Re: [Patch v5 5/7] acpi_memhotplug.c: don't allow to eject the memorydevice if it is being used

[David Rientjes]

On Thu, 15 Nov 2012, Wen Congyang wrote:

> We eject the memory device even if it is in use.  It is very dangerous,
> and it will cause the kernel to be panicked.
> 
> CC: David Rientjes <rientjes@xxxxxxxxxx>
> CC: Jiang Liu <liuj97@xxxxxxxxx>
> CC: Len Brown <len.brown@xxxxxxxxx>
> CC: Benjamin Herrenschmidt <benh@xxxxxxxxxxxxxxxxxxx>
> CC: Paul Mackerras <paulus@xxxxxxxxx>
> CC: Christoph Lameter <cl@xxxxxxxxx>
> Cc: Minchan Kim <minchan.kim@xxxxxxxxx>
> CC: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
> CC: KOSAKI Motohiro <kosaki.motohiro@xxxxxxxxxxxxxx>
> CC: Yasuaki Ishimatsu <isimatu.yasuaki@xxxxxxxxxxxxxx>
> CC: Rafael J. Wysocki <rjw@xxxxxxx>
> CC: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>
> Signed-off-by: Wen Congyang <wency@xxxxxxxxxxxxxx>

Acked-by: David Rientjes <rientjes@xxxxxxxxxx>

Thanks for adding the comment about why num_enabled is incremented for 
-EEXIST.
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