linux-kernel - [PATCH v2 3/3] mm: enable CONFIG_MOVABLE

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Message-Id: <1473883618-14998-4-git-send-email-arbab@linux.vnet.ibm.com>
Date:   Wed, 14 Sep 2016 15:06:58 -0500
From:   Reza Arbab <arbab@...ux.vnet.ibm.com>
To:     Michael Ellerman <mpe@...erman.id.au>,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Paul Mackerras <paulus@...ba.org>,
        Rob Herring <robh+dt@...nel.org>,
        Frank Rowand <frowand.list@...il.com>,
        Jonathan Corbet <corbet@....net>,
        Andrew Morton <akpm@...ux-foundation.org>
Cc:     Bharata B Rao <bharata@...ux.vnet.ibm.com>,
        Nathan Fontenot <nfont@...ux.vnet.ibm.com>,
        Stewart Smith <stewart@...ux.vnet.ibm.com>,
        Alistair Popple <apopple@....ibm.com>,
        Balbir Singh <bsingharora@...il.com>,
        linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org,
        linuxppc-dev@...ts.ozlabs.org, devicetree@...r.kernel.org,
        linux-mm@...ck.org
Subject: [PATCH v2 3/3] 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 a4f4d69..3d8460d 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 be0ee11..4b19cd3 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