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src/cpu/s390/vm/globals_s390.hpp

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rev 12487 : 8172049: [s390] Implement "JEP 270: Reserved Stack Areas for Critical Sections".
Reviewed-by: mdoerr

@@ -54,11 +54,11 @@
 #define DEFAULT_STACK_YELLOW_PAGES   (2)
 #define DEFAULT_STACK_RED_PAGES      (1)
 // Java_java_net_SocketOutputStream_socketWrite0() uses a 64k buffer on the
 // stack. To pass stack overflow tests we need 20 shadow pages.
 #define DEFAULT_STACK_SHADOW_PAGES   (20 DEBUG_ONLY(+2))
-#define DEFAULT_STACK_RESERVED_PAGES (0)
+#define DEFAULT_STACK_RESERVED_PAGES (1)
 
 #define MIN_STACK_YELLOW_PAGES     DEFAULT_STACK_YELLOW_PAGES
 #define MIN_STACK_RED_PAGES        DEFAULT_STACK_RED_PAGES
 #define MIN_STACK_SHADOW_PAGES     DEFAULT_STACK_SHADOW_PAGES
 #define MIN_STACK_RESERVED_PAGES   (0)
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