src/hotspot/share/gc/shenandoah/shenandoahArguments.cpp

rev 59422 : 8245754: Shenandoah: ditch ShenandoahAlwaysPreTouch
Reviewed-by: XXX

*** 141,164 ****
  #else
    guarantee(!ShenandoahVerifyOptoBarriers, "Should be disabled");
  #endif // ASSERT
  #endif // COMPILER2
  
-   if (AlwaysPreTouch) {
-     // Shenandoah handles pre-touch on its own. It does not let the
-     // generic storage code to do the pre-touch before Shenandoah has
-     // a chance to do it on its own.
-     FLAG_SET_DEFAULT(AlwaysPreTouch, false);
-     FLAG_SET_DEFAULT(ShenandoahAlwaysPreTouch, true);
-   }
- 
    // Record more information about previous cycles for improved debugging pleasure
    if (FLAG_IS_DEFAULT(LogEventsBufferEntries)) {
      FLAG_SET_DEFAULT(LogEventsBufferEntries, 250);
    }
  
!   if (ShenandoahAlwaysPreTouch) {
      if (!FLAG_IS_DEFAULT(ShenandoahUncommit)) {
        warning("AlwaysPreTouch is enabled, disabling ShenandoahUncommit");
      }
      FLAG_SET_DEFAULT(ShenandoahUncommit, false);
    }
--- 141,156 ----
  #else
    guarantee(!ShenandoahVerifyOptoBarriers, "Should be disabled");
  #endif // ASSERT
  #endif // COMPILER2
  
    // Record more information about previous cycles for improved debugging pleasure
    if (FLAG_IS_DEFAULT(LogEventsBufferEntries)) {
      FLAG_SET_DEFAULT(LogEventsBufferEntries, 250);
    }
  
!   if (AlwaysPreTouch) {
      if (!FLAG_IS_DEFAULT(ShenandoahUncommit)) {
        warning("AlwaysPreTouch is enabled, disabling ShenandoahUncommit");
      }
      FLAG_SET_DEFAULT(ShenandoahUncommit, false);
    }