sh: sparsemem support.

This implements basic sparsemem support for SH. Presently this only
uses static sparsemem, and we still permit explicit selection of
flatmem. Those boards that want sparsemem can select it as usual.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>

1 files changed, 10 insertions, 0 deletions

diff --git a/arch/sh/mm/Kconfig b/arch/sh/mm/Kconfig
index 00f64c41edba..46fd212b3ed6 100644
--- a/arch/sh/mm/Kconfig
+++ b/arch/sh/mm/Kconfig
@@ -300,6 +300,13 @@ config NODES_SHIFT
 config ARCH_FLATMEM_ENABLE
         def_bool y
 
+config ARCH_SPARSEMEM_ENABLE
+        def_bool y
+        select SPARSEMEM_STATIC
+
+config ARCH_SPARSEMEM_DEFAULT
+        def_bool y
+
 config MAX_ACTIVE_REGIONS
         int
         default "1"
@@ -307,6 +314,9 @@ config MAX_ACTIVE_REGIONS
 config ARCH_POPULATES_NODE_MAP
         def_bool y
 
+config ARCH_SELECT_MEMORY_MODEL
+        def_bool y
+
 choice
         prompt "Kernel page size"
         default PAGE_SIZE_4KB