On Sun, Mar 23, 2014 at 20:10, Miod Vallat wrote: > Except that 1. this is ugly unless you express the values in hex, as > noone can spot these are multiples of 4096 in decimal, and 2. I think it > is more important to make clear that nback == nforw - 1 (or + 1 in the > SEQ case), regardless of the page size (unless page sizes are so huge > both values are zero).
Oh, I reached the opposite conclusion. :) Regardless of page size, the amount (in bytes) to be read should be the same. The tight coupling is not a feature. Your diff actually makes future tuning more difficult, imo, but given that nobody has appeared to care and it makes your computer better, I won't object too strenuously.
