vinit dhatrak wrote, Wednesday 23 September 2009: > huh? the code which you gave to us already had mmap with > "PROT_READ|PROT_WRITE" and it even worked with my setup. > But, if I use PROT_NONE then it crashes with segfault, which is > perfectly correct as such pages are not meant to be accessed Sorry, I've been really unclear, let's try to re-explain: yes, it's as you said, with PROT_NONE it ends in a segfault. The thing I missed to say is that I didn't call SetPageReserved(), that makes me see only zeroes, whatever PROT_{READ,WRITE} I used. Make a check with the code you provided helps a lot ;) Thanks, bye. -- -gaspa- ----------------------------------------------- -------- https://launchpad.net/~gaspa --------- ------ HomePage: iogaspa.altervista.org ------- -Il lunedi'dell'arrampicatore: www.lunedi.org - -- To unsubscribe from this list: send an email with "unsubscribe kernelnewbies" to ecartis@xxxxxxxxxxxx Please read the FAQ at http://kernelnewbies.org/FAQ