*** old/src/cpu/zero/vm/globals_zero.hpp	Wed Sep 21 11:38:28 2011
--- new/src/cpu/zero/vm/globals_zero.hpp	Wed Sep 21 11:38:28 2011

*** 50,59 ****
--- 50,63 ----
  define_pd_global(intx,  StackShadowPages,     5 LP64_ONLY(+1) DEBUG_ONLY(+3));
  
  define_pd_global(bool,  RewriteBytecodes,     true);
  define_pd_global(bool,  RewriteFrequentPairs, true);
  
+ #ifdef _ALLBSD_SOURCE
+ define_pd_global(bool,  UseMembar,            true);
+ #else
  define_pd_global(bool,  UseMembar,            false);
+ #endif
  
  // GC Ergo Flags
  define_pd_global(intx, CMSYoungGenPerWorker, 16*M);  // default max size of CMS young gen, per GC worker thread
  #endif // CPU_ZERO_VM_GLOBALS_ZERO_HPP