Re: [PATCH 3/3] mm, mem-hotplug: update pcp->stat_threshold whenmemory hotplug occur

From: Minchan Kim
Date: Tue Apr 12 2011 - 05:24:14 EST


On Mon, Apr 11, 2011 at 5:01 PM, KOSAKI Motohiro
<kosaki.motohiro@xxxxxxxxxxxxxx> wrote:
> Currently, cpu hotplug updates pcp->stat_threashold, but memory
> hotplug doesn't. there is no reason.
> Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@xxxxxxxxxxxxxx>
> Reviewed-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@xxxxxxxxxxxxxx>
> Acked-by: Mel Gorman <mel@xxxxxxxxx>
> Acked-by: Christoph Lameter <cl@xxxxxxxxx>

I can think it makes sense so I don't oppose the patch merging.
But as you know I am very keen on the description.

What is the problem if hotplug doesn't do it?
I means the patch solves what's problem?

Please write down fully for better description.

Kind regards,
Minchan Kim
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