sparc64: Use new dynamic per-cpu allocator.

Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/arch/sparc/Kconfig b/arch/sparc/Kconfig
index cc12cd4..2185cf9 100644
--- a/arch/sparc/Kconfig
+++ b/arch/sparc/Kconfig
@@ -93,6 +93,9 @@
 config HAVE_SETUP_PER_CPU_AREA
 	def_bool y if SPARC64
 
+config HAVE_DYNAMIC_PER_CPU_AREA
+	def_bool y if SPARC64
+
 config GENERIC_HARDIRQS_NO__DO_IRQ
 	bool
 	def_bool y if SPARC64