After an IML has been completed, {HEAD ~ the size} of {TAIL ~ the buffers} become fixed and no further buffer allocation may occur 
of
After an IML has been completed , { HEAD ~ the size } of { TAIL ~ the buffers } become fixed and no further buffer allocation may occur
OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH