On Thu, Jun 25, 2015 at 08:38:36PM +0200, Daniel Kiper wrote:
> On Thu, Jun 25, 2015 at 06:11:00PM +0100, David Vrabel wrote:
> > The stats used for memory hotplug make no sense and are fiddled with
> > in odd ways.  Remove them and introduce total_pages to track the total
> > number of pages (both populated and unpopulated) including those within
> > hotplugged regions (note that this includes not yet onlined pages).
> >
> > This will be useful when deciding whether additional memory needs to be
> > hotplugged.
> >
> > Signed-off-by: David Vrabel <david.vra...@citrix.com>
>
> Nice optimization! I suppose that it is remnant from very early
> version of memory hotplug. Probably after a few patch series
> iterations hotplug_pages and balloon_hotplug lost their meaning
> and I did not catch it. Additionally, as I can see there is not
> any consumer for total_pages here. So, I think that we can go
> further and remove this obfuscated code at all.

Err... Ignore that. I missed next patch... Should not both of them
merged in one or commit comment contain clear info that this will
be used by next patch.

Daniel

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