src/share/vm/runtime/arguments.cpp

*** 1673,1692 ****
    if (FLAG_IS_DEFAULT(OldPLABSize)) {
      if (!FLAG_IS_DEFAULT(ResizeOldPLAB) && !ResizeOldPLAB) {
        // OldPLAB sizing manually turned off: Use a larger default setting,
        // unless it was manually specified. This is because a too-low value
        // will slow down scavenges.
!       FLAG_SET_ERGO(size_t, OldPLABSize, CFLS_LAB::_default_static_old_plab_size); // default value before 6631166
      } else {
!       FLAG_SET_DEFAULT(OldPLABSize, CFLS_LAB::_default_dynamic_old_plab_size); // old CMSParPromoteBlocksToClaim default
      }
    }
  
    // If either of the static initialization defaults have changed, note this
    // modification.
    if (!FLAG_IS_DEFAULT(OldPLABSize) || !FLAG_IS_DEFAULT(OldPLABWeight)) {
!     CFLS_LAB::modify_initialization(OldPLABSize, OldPLABWeight);
    }
  
    if (!ClassUnloading) {
      FLAG_SET_CMDLINE(bool, CMSClassUnloadingEnabled, false);
      FLAG_SET_CMDLINE(bool, ExplicitGCInvokesConcurrentAndUnloadsClasses, false);
--- 1673,1692 ----
    if (FLAG_IS_DEFAULT(OldPLABSize)) {
      if (!FLAG_IS_DEFAULT(ResizeOldPLAB) && !ResizeOldPLAB) {
        // OldPLAB sizing manually turned off: Use a larger default setting,
        // unless it was manually specified. This is because a too-low value
        // will slow down scavenges.
!       FLAG_SET_ERGO(size_t, OldPLABSize, CompactibleFreeListSpaceLAB::_default_static_old_plab_size); // default value before 6631166
      } else {
!       FLAG_SET_DEFAULT(OldPLABSize, CompactibleFreeListSpaceLAB::_default_dynamic_old_plab_size); // old CMSParPromoteBlocksToClaim default
      }
    }
  
    // If either of the static initialization defaults have changed, note this
    // modification.
    if (!FLAG_IS_DEFAULT(OldPLABSize) || !FLAG_IS_DEFAULT(OldPLABWeight)) {
!     CompactibleFreeListSpaceLAB::modify_initialization(OldPLABSize, OldPLABWeight);
    }
  
    if (!ClassUnloading) {
      FLAG_SET_CMDLINE(bool, CMSClassUnloadingEnabled, false);
      FLAG_SET_CMDLINE(bool, ExplicitGCInvokesConcurrentAndUnloadsClasses, false);