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SubjectRe: [patch 2/2 v2] mm: add node hotplug emulation
On Sat, Nov 27, 2010 at 05:52:03PM -0800, David Rientjes wrote:
> On Sun, 21 Nov 2010, Greg KH wrote:
>
> > > Add an interface to allow new nodes to be added when performing memory
> > > hot-add. This provides a convenient interface to test memory hotplug
> > > notifier callbacks and surrounding hotplug code when new nodes are
> > > onlined without actually having a machine with such hotpluggable SRAT
> > > entries.
> > >
> > > This adds a new debugfs interface at /sys/kernel/debug/hotplug/add_node
> >
> > The rule for debugfs is "there are no rules", but perhaps you might want
> > to name "hotplug" a bit more specific for what you are doing? "hotplug"
> > means pretty much anything these days, so how about s/hotplug/node/
> > instead as that is what you are controlling.
> >
> > Just a suggestion...
> >
>
> Hmm, how strongly do you feel about that? There's nothing node specific
> in the memory hotplug code where this lives, so we'd probably have to
> define the dentry elsewhere and even then it would only needed for
> CONFIG_MEMORY_HOTPLUG.
>
> I personally don't see this as a node debugging but rather memory hotplug
> callback debugging.

Then name it as such, not the generic "hotplug" like you just did.
"mem_hotplug" would make sense, right?

thanks,

greg k-h


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