Thor Lancelot Simon <tls@rek.tjls.com> writes:

> Yes, it will, and the overall memory balance between the buffer cache
> and the page cache appears to be far more stable that way.  With the
> buf_drain(0) at the end of the pagedaemon, no buf_canrelease() criterion
> using the free target turned out to work well in practice because the
> scan almost always meets the target, or gets very close;

Was that better than calculating the targets first and then do the
both scans?

enami.