linux-kernel - [PATCH 4/4] mm: enable CONFIG_MOVABLE

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Date:	Mon,  8 Aug 2016 13:27:23 -0500
From:	Reza Arbab <arbab@...ux.vnet.ibm.com>
To:	Rob Herring <robh+dt@...nel.org>,
	Mark Rutland <mark.rutland@....com>,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Paul Mackerras <paulus@...ba.org>,
	Michael Ellerman <mpe@...erman.id.au>,
	Jonathan Corbet <corbet@....net>,
	Bharata B Rao <bharata@...ux.vnet.ibm.com>,
	Nathan Fontenot <nfont@...ux.vnet.ibm.com>,
	devicetree@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org,
	linux-doc@...r.kernel.org, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH 4/4] mm: enable CONFIG_MOVABLE_NODE on powerpc

Onlining memory into ZONE_MOVABLE requires CONFIG_MOVABLE_NODE.

Enable the use of this config option on PPC64 platforms.

Signed-off-by: Reza Arbab <arbab@...ux.vnet.ibm.com>
---
 Documentation/kernel-parameters.txt | 2 +-
 mm/Kconfig                          | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index 46c030a..07fefd8 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -2344,7 +2344,7 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
 			that the amount of memory usable for all allocations
 			is not too small.
 
-	movable_node	[KNL,X86] Boot-time switch to enable the effects
+	movable_node	[KNL,X86,PPC] Boot-time switch to enable the effects
 			of CONFIG_MOVABLE_NODE=y. See mm/Kconfig for details.
 
 	MTD_Partition=	[MTD]
diff --git a/mm/Kconfig b/mm/Kconfig
index 78a23c5..4154638 100644
--- a/mm/Kconfig
+++ b/mm/Kconfig
@@ -153,7 +153,7 @@ config MOVABLE_NODE
 	bool "Enable to assign a node which has only movable memory"
 	depends on HAVE_MEMBLOCK
 	depends on NO_BOOTMEM
-	depends on X86_64
+	depends on X86_64 || PPC64
 	depends on NUMA
 	default n
 	help
-- 
1.8.3.1