On Wed, Dec 16, 2009 at 10:10 PM, Nagaprabhanjan Bellari <nagp.knb@xxxxxxxxx> wrote: > I ask this because /dev/zero is a character device, so wondering where will > page cache come in. > > tomahawk>ls -l /dev/zero > crw-rw-rw- 1 root root 1, 5 Nov 13 02:45 /dev/zero By reading /dev/zero continously, actually you allocate anonymous memory in virtual memory. that will push clean file backed pages (or in this case, page cache) back to the backing block device to make room for the new allocated memory area. -- regards, Mulyadi Santosa Freelance Linux trainer and consultant blog: the-hydra.blogspot.com training: mulyaditraining.blogspot.com -- To unsubscribe from this list: send an email with "unsubscribe kernelnewbies" to ecartis@xxxxxxxxxxxx Please read the FAQ at http://kernelnewbies.org/FAQ
