PsRevertToUserPagePriorityThread

VOID __stdcall PsRevertToUserPagePriorityThread(_ETHREAD *Thread, UINT64 PreviousSystemPagePriority){
  unsigned int v2; 

  --Thread->Tcb.SpecialApcDisable;
  if( (_DWORD)PreviousSystemPagePriority == -1 )
    v2 = Thread->SameThreadApcFlags & 0xFFFFF0FF;
  else
    v2 = ((_DWORD)PreviousSystemPagePriority << 9) | Thread->SameThreadApcFlags & 0xFFFFF1FF;
  Thread->SameThreadApcFlags = v2;
  KiLeaveGuardedRegionUnsafe((__int64)Thread);
}

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