On Fri, 25 Apr 2008, Mulyadi Santosa wrote: > Hi.. > > On Fri, Apr 25, 2008 at 3:17 AM, Robert P. J. Day <rpjday@xxxxxxxxxxxxxx> wrote: > > ... > > #if defined(CONFIG_PRINTK_TIME) > > static int printk_time = 1; > > #else > > static int printk_time = 0; > > #endif > > module_param_named(time, printk_time, bool, S_IRUGO | S_IWUSR); > > ... > > IMO, that means, that symbol becomes global symbol and exist > starting when the kernel image is loaded. Perhaps module_param here > works as a way to declare that this symbol needs to exist in certain > ELF section, not to be mixed with normal .bss or .data. Thus, we > know that any symbols stored there need to be treaten as parameter. but remember, somehow this is defining that "printk.time" is a valid ^ boot-time parameter, and i just didn't know you could do that without writing an actual module. i guess i'll just take a closer look at the contents of moduleparam.h to see how this is being done. rday -- ======================================================================== Robert P. J. Day Linux Consulting, Training and Annoying Kernel Pedantry: Have classroom, will lecture. http://crashcourse.ca Waterloo, Ontario, CANADA ======================================================================== -- To unsubscribe from this list: send an email with "unsubscribe kernelnewbies" to ecartis@xxxxxxxxxxxx Please read the FAQ at http://kernelnewbies.org/FAQ