src/share/vm/runtime/arguments.cpp

*** 1290,1300 ****
  
      // Set MaxNewSize to our calculated preferred_max_new_size unless
      // NewSize was set on the command line and it is larger than
      // preferred_max_new_size.
      if (!FLAG_IS_DEFAULT(NewSize)) {   // NewSize explicitly set at command-line
!       FLAG_SET_ERGO(uintx, MaxNewSize, MAX2(NewSize, preferred_max_new_size));
      } else {
        FLAG_SET_ERGO(uintx, MaxNewSize, preferred_max_new_size);
      }
      if (PrintGCDetails && Verbose) {
        // Too early to use gclog_or_tty
--- 1290,1300 ----
  
      // Set MaxNewSize to our calculated preferred_max_new_size unless
      // NewSize was set on the command line and it is larger than
      // preferred_max_new_size.
      if (!FLAG_IS_DEFAULT(NewSize)) {   // NewSize explicitly set at command-line
!       FLAG_SET_ERGO(uintx, MaxNewSize, MAX2(NewSize, (uintx)preferred_max_new_size));
      } else {
        FLAG_SET_ERGO(uintx, MaxNewSize, preferred_max_new_size);
      }
      if (PrintGCDetails && Verbose) {
        // Too early to use gclog_or_tty
*** 1315,1336 ****
      }
      if (max_heap > min_new && min_heap_size() > min_new) {
        // Unless explicitly requested otherwise, make young gen
        // at least min_new, and at most preferred_max_new_size.
        if (FLAG_IS_DEFAULT(NewSize)) {
!         FLAG_SET_ERGO(uintx, NewSize, MAX2(NewSize, min_new));
!         FLAG_SET_ERGO(uintx, NewSize, MIN2(preferred_max_new_size, NewSize));
          if (PrintGCDetails && Verbose) {
            // Too early to use gclog_or_tty
            tty->print_cr("CMS ergo set NewSize: " SIZE_FORMAT, NewSize);
          }
        }
        // Unless explicitly requested otherwise, size old gen
        // so it's NewRatio x of NewSize.
        if (FLAG_IS_DEFAULT(OldSize)) {
          if (max_heap > NewSize) {
!           FLAG_SET_ERGO(uintx, OldSize, MIN2(NewRatio*NewSize, max_heap - NewSize));
            if (PrintGCDetails && Verbose) {
              // Too early to use gclog_or_tty
              tty->print_cr("CMS ergo set OldSize: " SIZE_FORMAT, OldSize);
            }
          }
--- 1315,1336 ----
      }
      if (max_heap > min_new && min_heap_size() > min_new) {
        // Unless explicitly requested otherwise, make young gen
        // at least min_new, and at most preferred_max_new_size.
        if (FLAG_IS_DEFAULT(NewSize)) {
!         FLAG_SET_ERGO(uintx, NewSize, MAX2(NewSize, (uintx)min_new));
!         FLAG_SET_ERGO(uintx, NewSize, MIN2((uintx)preferred_max_new_size, NewSize));
          if (PrintGCDetails && Verbose) {
            // Too early to use gclog_or_tty
            tty->print_cr("CMS ergo set NewSize: " SIZE_FORMAT, NewSize);
          }
        }
        // Unless explicitly requested otherwise, size old gen
        // so it's NewRatio x of NewSize.
        if (FLAG_IS_DEFAULT(OldSize)) {
          if (max_heap > NewSize) {
!           FLAG_SET_ERGO(uintx, OldSize, MIN2((NewRatio*NewSize), (uintx)(max_heap - NewSize)));
            if (PrintGCDetails && Verbose) {
              // Too early to use gclog_or_tty
              tty->print_cr("CMS ergo set OldSize: " SIZE_FORMAT, OldSize);
            }
          }