I'm having some trouble understanding how the write-back buffer works. Is a line put into the write back buffer whenever it is modified/dirtied? Or is it only sent there when it is being prepared to be flushed to the bus?
llcoolj
the latter; lines are only put in the write back buffer when flushed
I'm having some trouble understanding how the write-back buffer works. Is a line put into the write back buffer whenever it is modified/dirtied? Or is it only sent there when it is being prepared to be flushed to the bus?
the latter; lines are only put in the write back buffer when flushed