From: Peter Zijlstra <a.p.zijls...@chello.nl>

Some architectures (ab)use NUMA to represent different memory
regions all cpu-local but of different latencies, such as SuperH.

The naming comes from Mel Gorman.

Named-by: Mel Gorman <mgor...@suse.de>
Signed-off-by: Peter Zijlstra <a.p.zijls...@chello.nl>
Cc: Linus Torvalds <torva...@linux-foundation.org>
Cc: Andrew Morton <a...@linux-foundation.org>
Cc: Andrea Arcangeli <aarca...@redhat.com>
Cc: Rik van Riel <r...@redhat.com>
Cc: Mel Gorman <mgor...@suse.de>
Cc: Thomas Gleixner <t...@linutronix.de>
Cc: Hugh Dickins <hu...@google.com>
Signed-off-by: Ingo Molnar <mi...@kernel.org>
---
 arch/sh/mm/Kconfig | 1 +
 init/Kconfig       | 7 +++++++
 2 files changed, 8 insertions(+)

diff --git a/arch/sh/mm/Kconfig b/arch/sh/mm/Kconfig
index cb8f992..5d2a4df 100644
--- a/arch/sh/mm/Kconfig
+++ b/arch/sh/mm/Kconfig
@@ -111,6 +111,7 @@ config VSYSCALL
 config NUMA
        bool "Non Uniform Memory Access (NUMA) Support"
        depends on MMU && SYS_SUPPORTS_NUMA && EXPERIMENTAL
+       select ARCH_WANTS_NUMA_VARIABLE_LOCALITY
        default n
        help
          Some SH systems have many various memories scattered around
diff --git a/init/Kconfig b/init/Kconfig
index f36c83d..b8a4a58 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -718,6 +718,13 @@ config ARCH_USES_NUMA_GENERIC_PGPROT_HUGEPAGE
        depends on ARCH_USES_NUMA_GENERIC_PGPROT
        depends on TRANSPARENT_HUGEPAGE
 
+#
+# For architectures that (ab)use NUMA to represent different memory regions
+# all cpu-local but of different latencies, such as SuperH.
+#
+config ARCH_WANTS_NUMA_VARIABLE_LOCALITY
+       bool
+
 menuconfig CGROUPS
        boolean "Control Group support"
        depends on EVENTFD
-- 
1.7.11.7

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