Hi, Does the page cache keep pages that are discarded but anticipated to get reused by processes, or does it actually maintain pages that are used and already within the address space of processes? In other words, is it only an optimisation or is it also the actual mechanism to track used pages? Thanks, Bahadir -- To unsubscribe from this list: send an email with "unsubscribe kernelnewbies" to ecartis@xxxxxxxxxxxx Please read the FAQ at http://kernelnewbies.org/FAQ