[LIP] kernel programming

Hi 
I have the following queries. Kindly help me out.

1)What is the difference among, module_init, init_module, __init, __init_data and their corresponding deinit function? How do we select what should be used?

2)(I have used MODULE_PARAM macro to pass some arguments while insmod a module. 
The program looks some thing like this. Kindly tell me where I have gone wrong.
/* hello-5.c - Demonstrates command line argument passing to a module.
*/
#define __KERNEL__ 
#define MODULE 
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/init.h>


static short int myshort = 1;
MODULE_PARM (myshort, "h");
static int __init hello_5_init(void)
{
	printk("this is junk`");
	
printk("Hello, world 5\n=============\n");
printk("myshort is a short integer: %hd\n", myshort);
return 0;
}
module_init(hello_5_init);
module_deinit(hello_5_init);

insmod <name> <values>

3)Proc is the image of the kernel which can be used to configure kernel at runtime. I want to do the same with the module that I write. kindly tell how this has to be done. It is known that it can be done using ioctls. For a bigger module, which has more configuration, which is advised, a)configuration through proc b) through CLI using ioctls. I mean the tradeoff in terms of flexibility, complexity, efficiency etc...

4)How do we set the IP address to the interface permanenly using ifconfig in redhat 9.0. Previous versions, I used to disable and set the interface and enable it.I remember it working.  Does it vary from distribution to distribution? I can not use setup or any thing else. 

5) Ne one tell me good material to read for tasklets programming and kernel scheduling.

V.V Suresh Kumar


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