[S390] Add support for memory hot-add.
[linux-2.6.git] / arch / s390 / Kconfig
index 6d0d31651f0515ed8cb78dffc2aa84609e807e49..5dc8f8028d520b6c0a09dd4e0a6ffb70d4891d84 100644 (file)
@@ -313,6 +313,10 @@ config ARCH_SPARSEMEM_DEFAULT
 config ARCH_SELECT_MEMORY_MODEL
        def_bool y
 
+config ARCH_ENABLE_MEMORY_HOTPLUG
+       def_bool y
+       depends on SPARSEMEM
+
 source "mm/Kconfig"
 
 comment "I/O subsystem configuration"