[ARM] Add initial sparsemem support

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

1 files changed, 8 insertions, 0 deletions

diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 4039a133006e..df051bd24ba1 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -422,6 +422,8 @@ config ARCH_SA1100
         bool "SA1100-based"
         select ISA
         select ARCH_DISCONTIGMEM_ENABLE
+        select ARCH_SPARSEMEM_ENABLE
+        select ARCH_SELECT_MEMORY_MODEL
         select ARCH_MTD_XIP
         select GENERIC_GPIO
         select GENERIC_TIME
@@ -774,6 +776,12 @@ config ARCH_DISCONTIGMEM_ENABLE
           or have huge holes in the physical address space for other reasons.
           See <file:Documentation/vm/numa> for more.
 
+config ARCH_SPARSEMEM_ENABLE
+        bool
+
+config ARCH_SELECT_MEMORY_MODEL
+        bool
+
 config NODES_SHIFT
         int
         default "4" if ARCH_LH7A40X