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Subject[PATCH 55 of 66] select CONFIG_COMPACTION if TRANSPARENT_HUGEPAGE enabled
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From: Andrea Arcangeli <aarcange@redhat.com>

With transparent hugepage support we need compaction for the "defrag" sysfs
controls to be effective.

Signed-off-by: Andrea Arcangeli <aarcange@redhat.com>
---

diff --git a/mm/Kconfig b/mm/Kconfig
--- a/mm/Kconfig
+++ b/mm/Kconfig
@@ -305,6 +305,7 @@ config NOMMU_INITIAL_TRIM_EXCESS
config TRANSPARENT_HUGEPAGE
bool "Transparent Hugepage Support"
depends on X86 && MMU
+ select COMPACTION
help
Transparent Hugepages allows the kernel to use huge pages and
huge tlb transparently to the applications whenever possible.

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