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[PATCH 09/10] powerpc/hugetlb: Selectively enable ARCH_ENABLE_HUGEPAGE_MIGRATION

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  [PATCH 09/10] powerpc/hugetlb: Selectively enable ARCH_ENABLE_HUGEPAGE_MIGRATION Anshuman Khandual <khandual@linux.vnet.ibm.com> - 2016-04-07 07:40 +0200

#1373085 — [PATCH 09/10] powerpc/hugetlb: Selectively enable ARCH_ENABLE_HUGEPAGE_MIGRATION

This change enables the config option ARCH_ENABLE_HUGEPAGE_MIGRATION
depending on whether the platform has got ARCH_WANT_GENERAL_HUGETLB
or not along with config option MIGRATION. In turn, it turns on the
'hugepage_migration_supported' function which is checked for feature
presence during HugeTLB page migration and clears the way.

Signed-off-by: Anshuman Khandual <khandual@linux.vnet.ibm.com>
---
 arch/powerpc/Kconfig | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index 9b3ce18..f2a45eb 100644
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -86,6 +86,10 @@ config GENERIC_HWEIGHT
 config ARCH_HAS_DMA_SET_COHERENT_MASK
         bool
 
+config ARCH_ENABLE_HUGEPAGE_MIGRATION
+	def_bool y
+	depends on ARCH_WANT_GENERAL_HUGETLB && MIGRATION
+
 config PPC
 	bool
 	default y
-- 
2.1.0

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