From 51925fb3c5c901aa06cdc853268a6e19e19bcdc7 Mon Sep 17 00:00:00 2001
From: Nathan Fontenot <nfont@linux.vnet.ibm.com>
Date: Tue, 10 Feb 2015 13:49:22 -0600
Subject: [PATCH] powerpc/pseries: Implement memory hotplug remove in the
 kernel

This patch adds the ability to do memory hotplug remove in the kernel.

Currently the operation to hotplug remove memory is handled by the drmgr
command which performs the operation by performing some work in user-space
and making requests to the kernel to handle other pieces. By moving all
of the work to the kernel we can do the remove faster, and provide a common
code path to do memory hotplug for both the PowerVM and PowerKVM environments.

Signed-off-by: Nathan Fontenot <nfont@linux.vnet.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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