src/hotspot/share/gc/shared/vmGCOperations.cpp

rev 52572 : JDK-8212657: Implementation of JDK-8204089 Promptly Return Unused Committed Memory from G1
Summary: Issue optional, default enabled, concurrent cycles when the VM is idle to reclaim unused internal and Java heap memory.
Reviewed-by:
Contributed-by: Rodrigo Bruno <rbruno@gsd.inesc-id.pt>, Ruslan Synytsky <rs@jelastic.com>, Thomas Schatzl <thomas.schatzl@oracle.com>

*** 79,89 ****
    }
    return skip;
  }
  
  bool VM_GC_Operation::doit_prologue() {
-   assert(Thread::current()->is_Java_thread(), "just checking");
    assert(((_gc_cause != GCCause::_no_gc) &&
            (_gc_cause != GCCause::_no_cause_specified)), "Illegal GCCause");
  
    // To be able to handle a GC the VM initialization needs to be completed.
    if (!is_init_completed()) {
--- 79,88 ----
*** 108,118 ****
    return _prologue_succeeded;
  }
  
  
  void VM_GC_Operation::doit_epilogue() {
-   assert(Thread::current()->is_Java_thread(), "just checking");
    // Clean up old interpreter OopMap entries that were replaced
    // during the GC thread root traversal.
    OopMapCache::cleanup_old_entries();
    if (Universe::has_reference_pending_list()) {
      Heap_lock->notify_all();
--- 107,116 ----