nmahajan@hss.hns.com writes:
> I could guess all that, but why is netbsd in my case not free'ing up these
> buffers when a new process is starting up and is asking for memory. ?

Why are you assuming it won't free them up if it runs out?

The system caches everything it can in memory, and throws out portions
of the cache if it decides it needs the pages for something else more
urgently. This is all normal behavior.

.pm