ZwFreeVirtualMemory

NTSTATUS __stdcall ZwFreeVirtualMemory(PVOID ProcessHandle, PVOID *BaseAddress, UINT64 *RegionSize, UINT64 FreeType){
  NTSTATUS result; 
  _disable();
  __readeflags();
  KiServiceInternal();
  return result;
}

Referenced by:

DbgkUserReportWorkRoutine
EtwpFreeUserBufferSpace
ExRaiseHardError
PspDeleteUserStack
PspExitThread
PspSetupUserStack
RtlCreateHeap
RtlCreateUserStack
RtlDestroyHeap
RtlpDeCommitFreeBlock
RtlpDestroyHeapSegment
RtlpExtendHeap
RtlpFreeHeap
RtlpHpAllocVirtBlockCommitFirst
RtlpWow64CreateUserStack
SepAdtCopyToLsaSharedMemory
SepRmDispatchDataToLsa
WbFreeMemoryBlock