src/share/vm/gc/shenandoah/shenandoahCollectorPolicy.cpp

rev 12117 : Pin regions that contain JNI critical regions, instead of bail-and-retry protocol.

*** 125,135 ****
    jlong i = 0;
    jlong end = sorted_regions->active_regions();
  
    while (i < end) {
      ShenandoahHeapRegion* region = sorted_regions->get(i++);
!     if (region->garbage() > _garbage_threshold && ! region->is_humongous()) {
        //      tty->print("choose region %d with garbage = " SIZE_FORMAT " and live = " SIZE_FORMAT " and _garbage_threshold = " SIZE_FORMAT "\n",
        //                 region->region_number(), region->garbage(), region->getLiveData(), _garbage_threshold);
  
        assert(! region->is_humongous(), "no humongous regions in collection set");
  
--- 125,135 ----
    jlong i = 0;
    jlong end = sorted_regions->active_regions();
  
    while (i < end) {
      ShenandoahHeapRegion* region = sorted_regions->get(i++);
!     if (region->garbage() > _garbage_threshold && ! region->is_humongous() && ! region->is_pinned()) {
        //      tty->print("choose region %d with garbage = " SIZE_FORMAT " and live = " SIZE_FORMAT " and _garbage_threshold = " SIZE_FORMAT "\n",
        //                 region->region_number(), region->garbage(), region->getLiveData(), _garbage_threshold);
  
        assert(! region->is_humongous(), "no humongous regions in collection set");
  
*** 156,166 ****
    jlong end = sorted_regions->active_regions();
  
    size_t garbage = 0;
    while (i < end && garbage < min_garbage) {
      ShenandoahHeapRegion* region = sorted_regions->get(i++);
!     if (region->garbage() > _garbage_threshold && ! region->is_humongous()) {
        collection_set->add_region(region);
        garbage += region->garbage();
        region->set_is_in_collection_set(true);
      }
    }
--- 156,166 ----
    jlong end = sorted_regions->active_regions();
  
    size_t garbage = 0;
    while (i < end && garbage < min_garbage) {
      ShenandoahHeapRegion* region = sorted_regions->get(i++);
!     if (region->garbage() > _garbage_threshold && ! region->is_humongous() && ! region->is_pinned()) {
        collection_set->add_region(region);
        garbage += region->garbage();
        region->set_is_in_collection_set(true);
      }
    }
*** 173,183 ****
    jlong end = ordered_regions->active_regions();
  
    while (i < end) {
      ShenandoahHeapRegion* region = ordered_regions->get(i++);
      if ((! region->is_in_collection_set())
!         && (! region->is_humongous())) {
        free_set->add_region(region);
      }
    }
  }
  
--- 173,184 ----
    jlong end = ordered_regions->active_regions();
  
    while (i < end) {
      ShenandoahHeapRegion* region = ordered_regions->get(i++);
      if ((! region->is_in_collection_set())
!         && (! region->is_humongous())
!         && (! region->is_pinned())) {
        free_set->add_region(region);
      }
    }
  }