--- a/hotspot/src/cpu/ppc/vm/globals_ppc.hpp	Mon Dec 14 02:29:11 2015 -0500
+++ b/hotspot/src/cpu/ppc/vm/globals_ppc.hpp	Mon Dec 14 10:04:31 2015 +0100
@@ -44,14 +44,17 @@
 #define DEFAULT_STACK_YELLOW_PAGES (6)
 #define DEFAULT_STACK_RED_PAGES (1)
 #define DEFAULT_STACK_SHADOW_PAGES (6 DEBUG_ONLY(+2))
+#define DEFAULT_STACK_RESERVED_PAGES (0)
 
 #define MIN_STACK_YELLOW_PAGES (1)
 #define MIN_STACK_RED_PAGES DEFAULT_STACK_RED_PAGES
 #define MIN_STACK_SHADOW_PAGES (1)
+#define MIN_STACK_RESERVED_PAGES (0)
 
 define_pd_global(intx, StackYellowPages,      DEFAULT_STACK_YELLOW_PAGES);
 define_pd_global(intx, StackRedPages,         DEFAULT_STACK_RED_PAGES);
 define_pd_global(intx, StackShadowPages,      DEFAULT_STACK_SHADOW_PAGES);
+define_pd_global(intx, StackReservedPages,    DEFAULT_STACK_RESERVED_PAGES);
 
 // Use large code-entry alignment.
 define_pd_global(intx, CodeEntryAlignment,    128);