gaPageBitmap[ Addr / 32 ] &= ~(1 << (Addr&31));
if(gaPageReferences[ Addr ] == 0)
gaSuperBitmap[ Addr >> 10 ] &= ~(1 << ((Addr >> 5)&31));
gaPageBitmap[ Addr / 32 ] &= ~(1 << (Addr&31));
if(gaPageReferences[ Addr ] == 0)
gaSuperBitmap[ Addr >> 10 ] &= ~(1 << ((Addr >> 5)&31));