Thus, {TAIL ~ the processor cache} may be available for {HEAD ~ general use}, except when physical memory is pinned 
Thus , { TAIL ~ the processor cache } may be available for { HEAD ~ general use } , except when physical memory is pinned
OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH